diff --git a/app/models/validations/tenancy_validations.rb b/app/models/validations/tenancy_validations.rb
index 86fd6f8d7..29afc4b77 100644
--- a/app/models/validations/tenancy_validations.rb
+++ b/app/models/validations/tenancy_validations.rb
@@ -12,7 +12,7 @@ module Validations::TenancyValidations
     min_tenancy_length = 1
     return if record.tenancylength.to_i.between?(min_tenancy_length, 99)
 
-    message = record.is_assured_shorthold_tenancy? ? I18n.t("validations.tenancy.length.shorthold", min_tenancy_length:) : I18n.t("validations.tenancy.length.secure", min_tenancy_length:)
+    message = I18n.t("validations.tenancy.length.invalid_fixed", min_tenancy_length:)
     record.errors.add :needstype, message
     record.errors.add :rent_type, message
     record.errors.add :tenancylength, :tenancylength_invalid, message: message
@@ -26,7 +26,7 @@ module Validations::TenancyValidations
     min_tenancy_length = 2
     return if record.tenancylength.to_i.between?(min_tenancy_length, 99)
 
-    message = record.is_assured_shorthold_tenancy? ? I18n.t("validations.tenancy.length.shorthold", min_tenancy_length:) : I18n.t("validations.tenancy.length.secure", min_tenancy_length:)
+    message = I18n.t("validations.tenancy.length.invalid_fixed", min_tenancy_length:)
     record.errors.add :needstype, message
     record.errors.add :rent_type, message
     record.errors.add :tenancylength, :tenancylength_invalid, message: message
@@ -40,7 +40,7 @@ module Validations::TenancyValidations
     min_tenancy_length = 1
     return if record.tenancylength.to_i.between?(min_tenancy_length, 99)
 
-    message = record.is_assured_shorthold_tenancy? ? I18n.t("validations.tenancy.length.shorthold", min_tenancy_length:) : I18n.t("validations.tenancy.length.secure", min_tenancy_length:)
+    message = I18n.t("validations.tenancy.length.invalid_fixed", min_tenancy_length:)
     record.errors.add :needstype, message
     record.errors.add :rent_type, message
     record.errors.add :tenancylength, :tenancylength_invalid, message: message
@@ -53,7 +53,7 @@ module Validations::TenancyValidations
     min_tenancy_length = 1
     return if record.tenancylength.to_i.between?(min_tenancy_length, 99)
 
-    message = I18n.t("validations.tenancy.length.secure", min_tenancy_length:)
+    message = I18n.t("validations.tenancy.length.invalid_periodic", min_tenancy_length:)
     record.errors.add :tenancylength, :tenancylength_invalid, message: message
     record.errors.add :tenancy, message
   end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 9238347f8..e587a6fa7 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -557,8 +557,8 @@ en:
     tenancy:
       length:
         fixed_term_not_required: "You must only answer the length of the tenancy if it's fixed-term"
-        shorthold: "Enter a tenancy length between %{min_tenancy_length} and 99 years for a tenancy of this type"
-        secure: "Enter a tenancy length between %{min_tenancy_length} and 99 years (or don't specify the length) for a tenancy of this type"
+        invalid_fixed: "Enter a tenancy length between %{min_tenancy_length} and 99 years for a tenancy of this type"
+        invalid_periodic: "Enter a tenancy length between %{min_tenancy_length} and 99 years (or don't specify the length) for a tenancy of this type"
       internal_transfer: "Answer must be secure tenancy as this tenancy is an internal transfer"
       cannot_be_internal_transfer: "Answer cannot be internal transfer as this is not a secure tenancy"
       not_joint: "This cannot be a joint tenancy as you've told us there's only one person in the household"
@@ -690,7 +690,7 @@ Make sure these answers are correct."
     shared_ownership_deposit:
       title_text: "You told us that the %{mortgage_deposit_and_discount_error_fields} add up to %{mortgage_deposit_and_discount_total}"
     old_persons_shared_ownership:
-      title_text: 
+      title_text:
         one: "You told us the buyer is using the Older Persons Shared Ownership scheme."
         two: "You told us the buyers are using the Older Persons Shared Ownership scheme."
       hint_text: "At least one buyer must be aged 65 years and over to use this scheme."
@@ -717,12 +717,12 @@ Make sure these answers are correct."
       title_text: "You told us that the percentage discount is %{discount}."
       hint_text: "This is higher than we would expect."
     savings:
-      title_text: 
+      title_text:
         one: "You told us the buyer’s savings were %{savings}."
         two: "You told us the buyers’ savings were %{savings}."
       hint_text: "This is higher than we would expect."
     deposit:
-      title_text: 
+      title_text:
         one: "You told us the buyer’s deposit was %{deposit} and their savings were %{savings}."
         two: "You told us the buyers’ deposit was %{deposit} and their savings were %{savings}."
       hint_text: "The deposit amount is higher than we would expect for the amount of savings they have."
diff --git a/spec/models/validations/tenancy_validations_spec.rb b/spec/models/validations/tenancy_validations_spec.rb
index 8b92329c7..282e94012 100644
--- a/spec/models/validations/tenancy_validations_spec.rb
+++ b/spec/models/validations/tenancy_validations_spec.rb
@@ -76,13 +76,13 @@ RSpec.describe Validations::TenancyValidations do
       {
         name: "assured shorthold",
         code: 4,
-        expected_error: ->(min_tenancy_length) { I18n.t("validations.tenancy.length.shorthold", min_tenancy_length:) },
+        expected_error: ->(min_tenancy_length) { I18n.t("validations.tenancy.length.invalid_fixed", min_tenancy_length:) },
         error_fields: %w[needstype rent_type tenancylength tenancy],
       },
       {
         name: "secure fixed term",
         code: 6,
-        expected_error: ->(min_tenancy_length) { I18n.t("validations.tenancy.length.secure", min_tenancy_length:) },
+        expected_error: ->(min_tenancy_length) { I18n.t("validations.tenancy.length.invalid_fixed", min_tenancy_length:) },
         error_fields: %w[needstype rent_type tenancylength tenancy],
       },
     ]
@@ -210,7 +210,7 @@ RSpec.describe Validations::TenancyValidations do
       periodic_tenancy_case = {
         name: "periodic",
         code: 8,
-        expected_error: ->(min_tenancy_length) { I18n.t("validations.tenancy.length.secure", min_tenancy_length:) },
+        expected_error: ->(min_tenancy_length) { I18n.t("validations.tenancy.length.invalid_periodic", min_tenancy_length:) },
         error_fields: %w[tenancylength tenancy],
       }
       include_examples "adds expected errors based on the tenancy length", periodic_tenancy_case, 1