diff --git a/activemodel/lib/active_model/mass_assignment_security.rb b/activemodel/lib/active_model/mass_assignment_security.rb
index e329933175..01eef762fd 100644
--- a/activemodel/lib/active_model/mass_assignment_security.rb
+++ b/activemodel/lib/active_model/mass_assignment_security.rb
@@ -34,7 +34,7 @@ module ActiveModel
     #
     #     protected
     #
-    #     def scope
+    #     def account_params
     #       scope = admin ? :admin : :default
     #       sanitize_for_mass_assignment(params[:account], scope)
     #     end