diff options
| -rw-r--r-- | activemodel/lib/active_model/validations/inclusion.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/validations/inclusion.rb b/activemodel/lib/active_model/validations/inclusion.rb index 24337614c5..b344095807 100644 --- a/activemodel/lib/active_model/validations/inclusion.rb +++ b/activemodel/lib/active_model/validations/inclusion.rb @@ -29,7 +29,8 @@ module ActiveModel # * <tt>:in</tt> - An enumerable object of available items. This can be # supplied as a proc, lambda or symbol which returns an enumerable. If the # enumerable is a numerical range the test is performed with <tt>Range#cover?</tt>, - # otherwise with <tt>include?</tt>. + # otherwise with <tt>include?</tt>. When using a proc or lambda the instance + # under validation is passed as an argument. # * <tt>:within</tt> - A synonym(or alias) for <tt>:in</tt> # * <tt>:message</tt> - Specifies a custom error message (default is: "is # not included in the list"). |