Improve NHS number error content

thomasleese · thomasleese · commit 5826d05f9339 · 2025-05-07T14:01:23.000+01:00
If the length of the NHS number is not 10 characters, the user should
see an error messages that matches our existing content.
diff --git a/config/locales/en.yml b/config/locales/en.yml
@@ -357,6 +357,7 @@ en:
           attributes:
             nhs_number:
               invalid: Enter a valid NHS number
+              wrong_length: Enter a valid NHS number with 10 characters
               taken: NHS number is already assigned to a different patient
         programme:
           attributes:
