Improve the exception message to direct people to all the possible values

2017-02-07 10:41:44 -03:00 · 2017-02-07 10:41:44 -03:00 · 9b19861ec0
commit 9b19861ec0
parent d7bbe075f9
1 changed files with 2 additions and 1 deletions
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@ -287,7 +287,8 @@ class Callback #:nodoc:#
        def self.build(chain, filter, kind, options)
          if filter.is_a?(String)
            raise ArgumentError, <<-MSG.squish
-              Passing string to define callback is not supported. Use proc instead.
+              Passing string to define a callback is not supported. See the `.set_callback`
+              documentation to see supported values.
            MSG
          end