Improved translation of validation rules: enum, exists, in and …

…`not_in`

src/Illuminate/Translation/lang/en/validation.php

@@ -50,8 +50,8 @@
     'doesnt_start_with' => 'The :attribute field must not start with one of the following: :values.',
     'email' => 'The :attribute field must be a valid email address.',
     'ends_with' => 'The :attribute field must end with one of the following: :values.',
-    'enum' => 'The selected :attribute is invalid.',
-    'exists' => 'The selected :attribute is invalid.',
+    'enum' => 'The :attribute field value is not in the list of allowed values.',
+    'exists' => 'The :attribute field value does not exist.',
     'extensions' => 'The :attribute field must have one of the following extensions: :values.',
     'file' => 'The :attribute field must be a file.',
     'filled' => 'The :attribute field must have a value.',
@@ -69,7 +69,7 @@
     ],
     'hex_color' => 'The :attribute field must be a valid hexadecimal color.',
     'image' => 'The :attribute field must be an image.',
-    'in' => 'The selected :attribute is invalid.',
+    'in' => 'The :attribute field value is not in the list of allowed values.',
     'in_array' => 'The :attribute field must exist in :other.',
     'integer' => 'The :attribute field must be an integer.',
     'ip' => 'The :attribute field must be a valid IP address.',
@@ -112,7 +112,7 @@
     'missing_with' => 'The :attribute field must be missing when :values is present.',
     'missing_with_all' => 'The :attribute field must be missing when :values are present.',
     'multiple_of' => 'The :attribute field must be a multiple of :value.',
-    'not_in' => 'The selected :attribute is invalid.',
+    'not_in' => 'The :attribute field must not be in the list.',
     'not_regex' => 'The :attribute field format is invalid.',
     'numeric' => 'The :attribute field must be a number.',
     'password' => [