diff --git a/lib/rubocop/cop/mixin/enforce_superclass.rb b/lib/rubocop/cop/mixin/enforce_superclass.rb
index db085c2a6b5..7e91f48cc75 100644
--- a/lib/rubocop/cop/mixin/enforce_superclass.rb
+++ b/lib/rubocop/cop/mixin/enforce_superclass.rb
@@ -6,7 +6,8 @@ module Cop
     #
     # IMPORTANT: RuboCop core depended on this module when it supported Rails department.
     # Rails department has been extracted to RuboCop Rails gem.
-    # This module is deprecated and will be removed by RuboCop 2.0.
+    #
+    # @deprecated This module is deprecated and will be removed by RuboCop 2.0.
     # It will not be updated to `RuboCop::Cop::Base` v1 API to maintain compatibility
     # with existing RuboCop Rails 2.8 or lower.
     #