Fix alpha_dash

driesvints · web-flow · commit 7ff917aa203b · 2018-05-18T14:52:24.000+02:00
It also accepts underscores as valid signs as explicitly stated in the docs and source code so I believe it would be best to also add it to the validation message.
diff --git a/resources/lang/en/validation.php b/resources/lang/en/validation.php
@@ -18,7 +18,7 @@
     'after'                => 'The :attribute must be a date after :date.',
     'after_or_equal'       => 'The :attribute must be a date after or equal to :date.',
     'alpha'                => 'The :attribute may only contain letters.',
-    'alpha_dash'           => 'The :attribute may only contain letters, numbers, and dashes.',
+    'alpha_dash'           => 'The :attribute may only contain letters, numbers, dashes and underscores.',
     'alpha_num'            => 'The :attribute may only contain letters and numbers.',
     'array'                => 'The :attribute must be an array.',
     'before'               => 'The :attribute must be a date before :date.',
