diff --git a/spec/services/bulk_upload/lettings/validator_spec.rb b/spec/services/bulk_upload/lettings/validator_spec.rb
index a8773b63d..897010de6 100644
--- a/spec/services/bulk_upload/lettings/validator_spec.rb
+++ b/spec/services/bulk_upload/lettings/validator_spec.rb
@@ -118,7 +118,7 @@ RSpec.describe BulkUpload::Lettings::Validator do
         error = BulkUploadError.find_by(row: "2", field: "field_8", category: "setup")
 
         expect(error.field).to eql("field_8")
-        expect(error.error).to eql("You must answer tenancy start date (day)")
+        expect(error.error).to eql("You must answer tenancy start date (day).")
         expect(error.tenant_code).to eql(log.tenancycode)
         expect(error.property_ref).to eql(log.propcode)
         expect(error.row).to eql("2")
@@ -161,7 +161,7 @@ RSpec.describe BulkUpload::Lettings::Validator do
         error = BulkUploadError.find_by(field: "field_4")
 
         expect(error.field).to eql("field_4")
-        expect(error.error).to eql("You must answer needs type")
+        expect(error.error).to eql("You must answer needs type.")
         expect(error.tenant_code).to eql(log.tenancycode)
         expect(error.property_ref).to eql(log.propcode)
         expect(error.row).to eql("2")
diff --git a/spec/services/bulk_upload/lettings/year2023/row_parser_spec.rb b/spec/services/bulk_upload/lettings/year2023/row_parser_spec.rb
index 18c28189a..127cb9814 100644
--- a/spec/services/bulk_upload/lettings/year2023/row_parser_spec.rb
+++ b/spec/services/bulk_upload/lettings/year2023/row_parser_spec.rb
@@ -697,8 +697,8 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
           it "fetches the question's check_answer_label if it exists" do
             parser.valid?
-            expect(parser.errors[:field_19]).to eql(["You must answer address line 1"])
-            expect(parser.errors[:field_21]).to eql(["You must answer town or city"])
+            expect(parser.errors[:field_19]).to eql(["You must answer address line 1."])
+            expect(parser.errors[:field_21]).to eql(["You must answer town or city."])
           end
         end
       end
@@ -846,7 +846,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
           parser.valid?
 
           expect(parser.errors[:field_5]).to be_present
-          expect(parser.errors[:field_11]).to eq(["You must answer intermediate rent type"])
+          expect(parser.errors[:field_11]).to eq(["You must answer intermediate rent type."])
         end
       end
 
@@ -857,7 +857,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
           parser.valid?
 
           expect(parser.errors[:field_5]).to be_present
-          expect(parser.errors[:field_11]).to eq(["You must answer intermediate rent type"])
+          expect(parser.errors[:field_11]).to eq(["You must answer intermediate rent type."])
         end
       end
 
@@ -868,7 +868,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
           parser.valid?
 
           expect(parser.errors[:field_5]).to be_present
-          expect(parser.errors[:field_10]).to eq(["You must answer is this a London Affordable Rent letting"])
+          expect(parser.errors[:field_10]).to eq(["You must answer is this a London Affordable Rent letting."])
         end
       end
 
@@ -879,7 +879,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
           parser.valid?
 
           expect(parser.errors[:field_5]).to be_present
-          expect(parser.errors[:field_10]).to eq(["You must answer is this a London Affordable Rent letting"])
+          expect(parser.errors[:field_10]).to eq(["You must answer is this a London Affordable Rent letting."])
         end
       end
 
@@ -888,7 +888,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "adds error on field_12" do
           parser.valid?
-          expect(parser.errors[:field_12]).to eq(["You must answer product name"])
+          expect(parser.errors[:field_12]).to eq(["You must answer product name."])
         end
       end
 
@@ -951,7 +951,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
           parser.valid?
 
           expect(parser.errors[:field_15]).to be_blank
-          expect(parser.errors[:field_16]).to eq(["You must answer scheme code"])
+          expect(parser.errors[:field_16]).to eq(["You must answer scheme code."])
           expect(parser.errors[:field_17]).to be_blank
         end
       end
@@ -992,7 +992,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
             expect(parser.errors[:field_15]).to be_blank
             expect(parser.errors[:field_16]).to be_blank
-            expect(parser.errors.where(:field_17, category: :setup).map(&:message)).to eq(["You must answer location code"])
+            expect(parser.errors.where(:field_17, category: :setup).map(&:message)).to eq(["You must answer location code."])
             expect(parser.errors[:field_17].count).to eq(1)
           end
         end
@@ -1005,7 +1005,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
             expect(parser.errors[:field_16]).to be_blank
             expect(parser.errors[:field_17]).to be_blank
-            expect(parser.errors.where(:field_15, category: :setup).map(&:message)).to eq(["You must answer management group code"])
+            expect(parser.errors.where(:field_15, category: :setup).map(&:message)).to eq(["You must answer management group code."])
             expect(parser.errors[:field_15].count).to eq(1)
           end
         end
@@ -1093,7 +1093,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
             parser.valid?
 
             expect(parser.errors[:field_15]).to be_blank
-            expect(parser.errors[:field_16]).to include("You must answer scheme name")
+            expect(parser.errors[:field_16]).to include("You must answer scheme name.")
             expect(parser.errors[:field_17]).to be_blank
           end
         end
@@ -1135,7 +1135,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
             parser.valid?
 
             expect(parser.errors[:field_15]).to be_blank
-            expect(parser.errors.where(:field_16, category: :setup).map(&:message)).to eq(["You must answer scheme code"])
+            expect(parser.errors.where(:field_16, category: :setup).map(&:message)).to eq(["You must answer scheme code."])
             expect(parser.errors[:field_17]).to be_blank
           end
         end
@@ -1212,7 +1212,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
           it "clears the scheme answer" do
             parser.valid?
 
-            expect(parser.errors[:field_15]).to include("You must answer scheme name")
+            expect(parser.errors[:field_15]).to include("You must answer scheme name.")
             expect(parser.errors[:field_16]).to be_blank
             expect(parser.errors[:field_17]).to be_blank
           end
@@ -1255,7 +1255,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "returns an error" do
           parser.valid?
-          expect(parser.errors[:field_102]).to include("Enter a valid value for What is the tenant’s main reason for the household leaving their last settled home?")
+          expect(parser.errors[:field_102]).to include("Enter a valid value for what is the tenant’s main reason for the household leaving their last settled home?")
         end
       end
     end
@@ -1527,7 +1527,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "is not permitted as setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation"])
+          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation."])
         end
 
         it "blocks log creation" do
@@ -1692,7 +1692,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "is reported as a setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_4, category: :setup).map(&:message)).to eql(["You must answer needs type"])
+          expect(parser.errors.where(:field_4, category: :setup).map(&:message)).to eql(["You must answer needs type."])
         end
       end
     end
@@ -1703,7 +1703,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "has setup errors on the field" do
           parser.valid?
-          expect(parser.errors.where(:field_6, category: :setup).map(&:message)).to eql(["You must answer property renewal"])
+          expect(parser.errors.where(:field_6, category: :setup).map(&:message)).to eql(["You must answer property renewal."])
         end
       end
 
@@ -1712,7 +1712,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "adds a setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_6, category: :setup).map(&:message)).to include("Enter a valid value for Is this letting a renewal?")
+          expect(parser.errors.where(:field_6, category: :setup).map(&:message)).to include("Enter a valid value for is this letting a renewal?")
         end
       end
     end
@@ -1723,7 +1723,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "adds an appropriate error" do
           parser.valid?
-          expect(parser.errors[:field_18]).to eql(["UPRN is not recognised. Check the number, or enter the address"])
+          expect(parser.errors[:field_18]).to eql(["UPRN is not recognised. Check the number, or enter the address."])
         end
       end
 
@@ -1733,9 +1733,9 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
         it "adds appropriate errors" do
           parser.valid?
 
-          expect(parser.errors[:field_18]).to eql(["You must answer UPRN"])
-          expect(parser.errors[:field_19]).to eql(["You must answer address line 1"])
-          expect(parser.errors[:field_21]).to eql(["You must answer town or city"])
+          expect(parser.errors[:field_18]).to eql(["You must answer UPRN."])
+          expect(parser.errors[:field_19]).to eql(["You must answer address line 1."])
+          expect(parser.errors[:field_21]).to eql(["You must answer town or city."])
         end
       end
 
@@ -1811,7 +1811,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "populates with correct error message" do
           parser.valid?
-          expect(parser.errors[:field_30]).to eql(["You must answer type of building"])
+          expect(parser.errors[:field_30]).to eql(["You must answer type of building."])
         end
       end
     end
@@ -2160,7 +2160,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_116]).to include("Enter a valid value for was the letting made under the Choice-Based Lettings (CBL)")
+          expect(parser.errors[:field_116]).to include("Enter a valid value for was the letting made under the Choice-Based Lettings (CBL)?")
         end
       end
     end
@@ -2187,7 +2187,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_118]).to include("Enter a valid value for was the letting made under the Common Housing Register (CHR)")
+          expect(parser.errors[:field_118]).to include("Enter a valid value for was the letting made under the Common Housing Register (CHR)?")
         end
       end
     end
@@ -2214,7 +2214,7 @@ RSpec.describe BulkUpload::Lettings::Year2023::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_117]).to include("Enter a valid value for was the letting made under the Common Allocation Policy (CAP)")
+          expect(parser.errors[:field_117]).to include("Enter a valid value for was the letting made under the Common Allocation Policy (CAP)?")
         end
       end
     end
diff --git a/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb b/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
index 3910e1281..c6d1a1a8b 100644
--- a/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
+++ b/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
@@ -770,7 +770,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
           it "fetches the question's check_answer_label if it exists" do
             parser.valid?
-            expect(parser.errors[:field_43]).to eql(["You must answer lead tenant’s gender identity"])
+            expect(parser.errors[:field_43]).to eql(["You must answer lead tenant’s gender identity."])
           end
         end
 
@@ -905,8 +905,8 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "cannot be nulled" do
           parser.valid?
-          expect(parser.errors[:field_5]).to eq(["You must answer scheme code"])
-          expect(parser.errors[:field_6]).to eq(["You must answer location code"])
+          expect(parser.errors[:field_5]).to eq(["You must answer scheme code."])
+          expect(parser.errors[:field_6]).to eq(["You must answer location code."])
         end
       end
 
@@ -942,7 +942,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
           it "returns a setup error" do
             expect(parser.errors[:field_5]).to be_blank
-            expect(parser.errors.where(:field_6, category: :setup).map(&:message)).to eq(["You must answer location code"])
+            expect(parser.errors.where(:field_6, category: :setup).map(&:message)).to eq(["You must answer location code."])
             expect(parser.errors[:field_6].count).to eq(1)
           end
         end
@@ -1011,7 +1011,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
           let(:attributes) { { bulk_upload:, field_4: "2", field_11: "2", field_5: "S#{managing_org_scheme.id}", field_6: managing_org_location.id, field_2: managing_org.old_visible_id } }
 
           it "clears the scheme answer" do
-            expect(parser.errors[:field_5]).to include("You must answer scheme name")
+            expect(parser.errors[:field_5]).to include("You must answer scheme name.")
             expect(parser.errors[:field_6]).to be_blank
           end
         end
@@ -1081,7 +1081,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "returns an error" do
           parser.valid?
-          expect(parser.errors[:field_98]).to include("Enter a valid value for What is the tenant’s main reason for the household leaving their last settled home?")
+          expect(parser.errors[:field_98]).to include("Enter a valid value for what is the tenant’s main reason for the household leaving their last settled home?")
         end
       end
     end
@@ -1348,7 +1348,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "is not permitted as setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation"])
+          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation."])
         end
 
         it "blocks log creation" do
@@ -1504,7 +1504,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
           setup_errors = parser.errors.select { |e| e.options[:category] == :setup }
 
-          expect(setup_errors.find { |e| e.attribute == :field_2 }.message).to eql("You must answer managing organisation")
+          expect(setup_errors.find { |e| e.attribute == :field_2 }.message).to eql("You must answer managing organisation.")
         end
 
         it "blocks log creation" do
@@ -1556,7 +1556,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "is reported as a setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_4, category: :setup).map(&:message)).to eql(["You must answer needs type"])
+          expect(parser.errors.where(:field_4, category: :setup).map(&:message)).to eql(["You must answer needs type."])
         end
       end
     end
@@ -1567,7 +1567,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "has setup errors on the field" do
           parser.valid?
-          expect(parser.errors.where(:field_7, category: :setup).map(&:message)).to eql(["You must answer property renewal"])
+          expect(parser.errors.where(:field_7, category: :setup).map(&:message)).to eql(["You must answer property renewal."])
         end
       end
 
@@ -1576,7 +1576,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "adds a setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_7, category: :setup).map(&:message)).to include("Enter a valid value for Is this letting a renewal?")
+          expect(parser.errors.where(:field_7, category: :setup).map(&:message)).to include("Enter a valid value for is this letting a renewal?")
         end
       end
     end
@@ -1607,10 +1607,10 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
             it "adds errors to missing key address fields" do
               parser.valid?
-              expect(parser.errors[:field_17]).to eql(["You must answer address line 1"])
-              expect(parser.errors[:field_19]).to eql(["You must answer town or city"])
-              expect(parser.errors[:field_21]).to eql(["You must answer part 1 of postcode"])
-              expect(parser.errors[:field_22]).to eql(["You must answer part 2 of postcode"])
+              expect(parser.errors[:field_17]).to eql(["You must answer address line 1."])
+              expect(parser.errors[:field_19]).to eql(["You must answer town or city."])
+              expect(parser.errors[:field_21]).to eql(["You must answer part 1 of postcode."])
+              expect(parser.errors[:field_22]).to eql(["You must answer part 2 of postcode."])
             end
           end
 
@@ -1638,11 +1638,11 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
             it "adds appropriate errors to UPRN and key address fields" do
               parser.valid?
-              expect(parser.errors[:field_16]).to eql(["You must answer UPRN"])
-              expect(parser.errors[:field_17]).to eql(["You must answer address line 1"])
-              expect(parser.errors[:field_19]).to eql(["You must answer town or city"])
-              expect(parser.errors[:field_21]).to eql(["You must answer part 1 of postcode"])
-              expect(parser.errors[:field_22]).to eql(["You must answer part 2 of postcode"])
+              expect(parser.errors[:field_16]).to eql(["You must answer UPRN."])
+              expect(parser.errors[:field_17]).to eql(["You must answer address line 1."])
+              expect(parser.errors[:field_19]).to eql(["You must answer town or city."])
+              expect(parser.errors[:field_21]).to eql(["You must answer part 1 of postcode."])
+              expect(parser.errors[:field_22]).to eql(["You must answer part 2 of postcode."])
             end
           end
 
@@ -1651,8 +1651,8 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
             it "adds errors to UPRN and the missing key address field" do
               parser.valid?
-              expect(parser.errors[:field_16]).to eql(["You must answer UPRN"])
-              expect(parser.errors[:field_17]).to eql(["You must answer address line 1"])
+              expect(parser.errors[:field_16]).to eql(["You must answer UPRN."])
+              expect(parser.errors[:field_17]).to eql(["You must answer address line 1."])
               expect(parser.errors[:field_19]).to be_empty
               expect(parser.errors[:field_21]).to be_empty
               expect(parser.errors[:field_22]).to be_empty
@@ -1745,7 +1745,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "populates with correct error message" do
           parser.valid?
-          expect(parser.errors[:field_27]).to eql(["You must answer type of building"])
+          expect(parser.errors[:field_27]).to eql(["You must answer type of building."])
         end
       end
     end
@@ -2165,7 +2165,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_112]).to include("Enter a valid value for was the letting made under the Choice-Based Lettings (CBL)")
+          expect(parser.errors[:field_112]).to include("Enter a valid value for was the letting made under the Choice-Based Lettings (CBL)?")
         end
       end
     end
@@ -2192,7 +2192,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_114]).to include("Enter a valid value for was the letting made under the Common Housing Register (CHR)")
+          expect(parser.errors[:field_114]).to include("Enter a valid value for was the letting made under the Common Housing Register (CHR)?")
         end
       end
     end
@@ -2219,7 +2219,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_113]).to include("Enter a valid value for was the letting made under the Common Allocation Policy (CAP)")
+          expect(parser.errors[:field_113]).to include("Enter a valid value for was the letting made under the Common Allocation Policy (CAP)?")
         end
       end
     end
@@ -2246,7 +2246,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
 
         it "adds an error" do
           parser.valid?
-          expect(parser.errors[:field_115]).to include("Enter a valid value for was the letting made under the Accessible Register")
+          expect(parser.errors[:field_115]).to include("Enter a valid value for was the letting made under the Accessible Register?")
         end
       end
     end
diff --git a/spec/services/bulk_upload/sales/validator_spec.rb b/spec/services/bulk_upload/sales/validator_spec.rb
index f968f5661..d196126c9 100644
--- a/spec/services/bulk_upload/sales/validator_spec.rb
+++ b/spec/services/bulk_upload/sales/validator_spec.rb
@@ -137,7 +137,7 @@ RSpec.describe BulkUpload::Sales::Validator do
         error = BulkUploadError.find_by(row: "2", field: "field_1", category: "setup")
 
         expect(error.field).to eql("field_1")
-        expect(error.error).to eql("You must answer owning organisation")
+        expect(error.error).to eql("You must answer owning organisation.")
         expect(error.purchaser_code).to eql(log.purchaser_code)
         expect(error.row).to eql("2")
         expect(error.cell).to eql("B2")
diff --git a/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
index 7d7c62885..d5b6aa718 100644
--- a/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
@@ -406,7 +406,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
         let(:attributes) { setup_section_params.merge(field_1: nil) }
 
         it "is not permitted as setup error" do
-          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation"])
+          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation."])
         end
 
         it "blocks log creation" do
@@ -418,7 +418,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
         let(:attributes) { { bulk_upload:, field_1: "donotexist" } }
 
         it "is not permitted as a setup error" do
-          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation"])
+          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation."])
         end
 
         it "blocks log creation" do
@@ -1041,7 +1041,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
         let(:attributes) { setup_section_params.merge(field_105: "4") }
 
         it "returns correct errors" do
-          expect(parser.errors[:field_105]).to include("Enter a valid value for Was a mortgage used for the purchase of this property? - Shared ownership")
+          expect(parser.errors[:field_105]).to include("Enter a valid value for was a mortgage used for the purchase of this property? - Shared ownership.")
           parser.log.blank_invalid_non_setup_fields!
           parser.log.save!
           expect(parser.log.mortgageused).to be_nil
diff --git a/spec/services/bulk_upload/sales/year2024/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2024/row_parser_spec.rb
index b74545a9a..1138df850 100644
--- a/spec/services/bulk_upload/sales/year2024/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2024/row_parser_spec.rb
@@ -301,7 +301,7 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
           it "fetches the question's check_answer_label if it exists" do
             parser.valid?
-            expect(parser.errors[:field_32]).to eql(["You must answer buyer 1’s gender identity"])
+            expect(parser.errors[:field_32]).to eql(["You must answer buyer 1’s gender identity."])
           end
         end
 
@@ -310,7 +310,7 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
           it "only has one error added to the field" do
             parser.valid?
-            expect(parser.errors[:field_23]).to eql(["You must answer address line 1"])
+            expect(parser.errors[:field_23]).to eql(["You must answer address line 1."])
           end
         end
       end
@@ -453,7 +453,7 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
         it "is not permitted as setup error" do
           parser.valid?
-          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation"])
+          expect(parser.errors.where(:field_1, category: :setup).map(&:message)).to eql(["You must answer owning organisation."])
         end
 
         it "blocks log creation" do
@@ -991,10 +991,10 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
           it "adds errors to missing key address fields" do
             parser.valid?
-            expect(parser.errors[:field_23]).to eql(["You must answer address line 1"])
-            expect(parser.errors[:field_25]).to eql(["You must answer town or city"])
-            expect(parser.errors[:field_27]).to eql(["You must answer part 1 of postcode"])
-            expect(parser.errors[:field_28]).to eql(["You must answer part 2 of postcode"])
+            expect(parser.errors[:field_23]).to eql(["You must answer address line 1."])
+            expect(parser.errors[:field_25]).to eql(["You must answer town or city."])
+            expect(parser.errors[:field_27]).to eql(["You must answer part 1 of postcode."])
+            expect(parser.errors[:field_28]).to eql(["You must answer part 2 of postcode."])
           end
         end
 
@@ -1022,11 +1022,11 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
           it "adds appropriate errors to UPRN and key address fields" do
             parser.valid?
-            expect(parser.errors[:field_22]).to eql(["You must answer UPRN"])
-            expect(parser.errors[:field_23]).to eql(["You must answer address line 1"])
-            expect(parser.errors[:field_25]).to eql(["You must answer town or city"])
-            expect(parser.errors[:field_27]).to eql(["You must answer part 1 of postcode"])
-            expect(parser.errors[:field_28]).to eql(["You must answer part 2 of postcode"])
+            expect(parser.errors[:field_22]).to eql(["You must answer UPRN."])
+            expect(parser.errors[:field_23]).to eql(["You must answer address line 1."])
+            expect(parser.errors[:field_25]).to eql(["You must answer town or city."])
+            expect(parser.errors[:field_27]).to eql(["You must answer part 1 of postcode."])
+            expect(parser.errors[:field_28]).to eql(["You must answer part 2 of postcode."])
           end
         end
 
@@ -1035,8 +1035,8 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
           it "adds errors to UPRN and the missing key address field" do
             parser.valid?
-            expect(parser.errors[:field_22]).to eql(["You must answer UPRN"])
-            expect(parser.errors[:field_23]).to eql(["You must answer address line 1"])
+            expect(parser.errors[:field_22]).to eql(["You must answer UPRN."])
+            expect(parser.errors[:field_23]).to eql(["You must answer address line 1."])
             expect(parser.errors[:field_25]).to be_empty
             expect(parser.errors[:field_27]).to be_empty
             expect(parser.errors[:field_28]).to be_empty
@@ -1313,7 +1313,7 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
 
         it "returns correct errors" do
           parser.valid?
-          expect(parser.errors[:field_103]).to include("Enter a valid value for Was a mortgage used for the purchase of this property? - Shared ownership")
+          expect(parser.errors[:field_103]).to include("Enter a valid value for was a mortgage used for the purchase of this property? - Shared ownership.")
 
           parser.log.blank_invalid_non_setup_fields!
           parser.log.save!
@@ -1963,7 +1963,7 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
           parser.valid?
           setup_errors = parser.errors.select { |e| e.options[:category] == :setup }
 
-          expect(setup_errors.find { |e| e.attribute == :field_2 }.message).to eql("You must answer reported by")
+          expect(setup_errors.find { |e| e.attribute == :field_2 }.message).to eql("You must answer reported by.")
         end
 
         it "blocks log creation" do
@@ -1979,7 +1979,7 @@ RSpec.describe BulkUpload::Sales::Year2024::RowParser do
           parser.valid?
           setup_errors = parser.errors.select { |e| e.options[:category] == :setup }
 
-          expect(setup_errors.find { |e| e.attribute == :field_2 }.message).to eql("You must answer reported by")
+          expect(setup_errors.find { |e| e.attribute == :field_2 }.message).to eql("You must answer reported by.")
         end
 
         it "blocks log creation" do
diff --git a/spec/services/uprn_client_spec.rb b/spec/services/uprn_client_spec.rb
index 3189c455b..b10ab7376 100644
--- a/spec/services/uprn_client_spec.rb
+++ b/spec/services/uprn_client_spec.rb
@@ -21,7 +21,7 @@ describe UprnClient do
       end
 
       it "returns error" do
-        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
+        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address.")
       end
     end
 
@@ -33,7 +33,7 @@ describe UprnClient do
       end
 
       it "returns error" do
-        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
+        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address.")
       end
     end
 
@@ -66,7 +66,7 @@ describe UprnClient do
         end
 
         it "returns error" do
-          expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
+          expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address.")
         end
       end
     end