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-rw-r--r--activemodel/lib/active_model/validations/confirmation.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/validations/confirmation.rb b/activemodel/lib/active_model/validations/confirmation.rb
index b0542661af..a51523912f 100644
--- a/activemodel/lib/active_model/validations/confirmation.rb
+++ b/activemodel/lib/active_model/validations/confirmation.rb
@@ -57,7 +57,7 @@ module ActiveModel
# confirmation").
#
# There is also a list of default options supported by every validator:
- # +:if+, +:unless+, +:on+ and +:strict+.
+ # +:if+, +:unless+, +:on+, +:allow_nil+, +:allow_blank+, and +:strict+.
# See <tt>ActiveModel::Validation#validates</tt> for more information
def validates_confirmation_of(*attr_names)
validates_with ConfirmationValidator, _merge_attributes(attr_names)