Add missing full stop for some validation messages (#5205)

resources/lang/en/validation.php

@@ -40,7 +40,7 @@ return [
     'dimensions' => 'The :attribute has invalid image dimensions.',
     'distinct' => 'The :attribute field has a duplicate value.',
     'email' => 'The :attribute must be a valid email address.',
-    'ends_with' => 'The :attribute must end with one of the following: :values',
+    'ends_with' => 'The :attribute must end with one of the following: :values.',
     'exists' => 'The selected :attribute is invalid.',
     'file' => 'The :attribute must be a file.',
     'filled' => 'The :attribute field must have a value.',
@@ -110,7 +110,7 @@ return [
         'string' => 'The :attribute must be :size characters.',
         'array' => 'The :attribute must contain :size items.',
     ],
-    'starts_with' => 'The :attribute must start with one of the following: :values',
+    'starts_with' => 'The :attribute must start with one of the following: :values.',
     'string' => 'The :attribute must be a string.',
     'timezone' => 'The :attribute must be a valid zone.',
     'unique' => 'The :attribute has already been taken.',