Slightly improve readability

app/models/validations/sales/setup_validations.rb

@@ -20,7 +20,7 @@ module Validations::Sales::SetupValidations
     return unless record.saledate && date_valid?("saledate", record) && !FeatureToggle.allow_future_form_use?
 
     if record.saledate > Time.zone.today + 14.days
-      record.errors.add :saledate, I18n.t("validations.sales.setup.saledate.not_within_next_two_weeks")
+      record.errors.add :saledate, I18n.t("validations.sales.setup.saledate.not_within.next_two_weeks")
     end
   end
 

config/locales/validations/sales/setup/en.yml

@@ -3,7 +3,8 @@ en:
         sales:
             setup:
                 saledate:
-                    not_within_next_two_weeks: "Sale completion date must not be later than 14 days from today’s date."
+                    not_within:
+                        next_two_weeks: "Sale completion date must not be later than 14 days from today’s date."
                     must_be_within:
                         current_collection_year:
                             "Enter a date within the %{current_start_year_short}/%{current_end_year_short} collection year, which is between %{current_start_year_long} and %{current_end_year_long}."