Add comma

app/views/logs/index.html.erb

@@ -36,7 +36,7 @@
     <div class="govuk-grid-row">
       <div class="govuk-grid-column-two-thirds">
         <p class="govuk-body-l">
-          You have uploaded <%= pluralize(@bulk_upload.logs.count, "log") %>. There are errors in <%= pluralize(@bulk_upload.logs_with_errors_count, "log") %> and <%= pluralize(@bulk_upload.bulk_upload_errors.count, "error") %> in total. Select the log to fix the errors.
+          You have uploaded <%= pluralize(@bulk_upload.logs.count, "log") %>. There are errors in <%= pluralize(@bulk_upload.logs_with_errors_count, "log") %>, and <%= pluralize(@bulk_upload.bulk_upload_errors.count, "error") %> in total. Select the log to fix the errors.
         </p>
 
         <p class="govuk-body">

spec/requests/lettings_logs_controller_spec.rb

@@ -521,7 +521,7 @@ RSpec.describe LettingsLogsController, type: :request do
 
               it "displays card with help info" do
                 get "/lettings-logs?bulk_upload_id[]=#{bulk_upload.id}"
-                expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log and 1 error in total. Select the log to fix the errors.")
+                expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log, and 1 error in total. Select the log to fix the errors.")
               end
 
               it "displays meta info about the bulk upload" do

spec/requests/sales_logs_controller_spec.rb

@@ -399,7 +399,7 @@ RSpec.describe SalesLogsController, type: :request do
 
               it "displays card with help info" do
                 get "/sales-logs?bulk_upload_id[]=#{bulk_upload.id}"
-                expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log and 1 error in total. Select the log to fix the errors.")
+                expect(page).to have_content("You have uploaded 1 log. There are errors in 1 log, and 1 error in total. Select the log to fix the errors.")
               end
 
               it "displays meta info about the bulk upload" do