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-rw-r--r--activemodel/lib/active_model/validations/exclusion.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/validations/exclusion.rb b/activemodel/lib/active_model/validations/exclusion.rb
index d3b8d31502..644cc814a7 100644
--- a/activemodel/lib/active_model/validations/exclusion.rb
+++ b/activemodel/lib/active_model/validations/exclusion.rb
@@ -59,6 +59,8 @@ module ActiveModel
# * <tt>:unless</tt> - Specifies a method, proc or string to call to determine if the validation should
# not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>). The
# method, proc or string should return or evaluate to a true or false value.
+ # * <tt>:strict</tt> - Specifies whether validation should be strict.
+ # See <tt>ActiveModel::Validation#validates!</tt> for more information
def validates_exclusion_of(*attr_names)
validates_with ExclusionValidator, _merge_attributes(attr_names)
end