diff --git a/actionpack/lib/action_dispatch/testing/assertions/tag.rb b/actionpack/lib/action_dispatch/testing/assertions/tag.rb
index d5348d80e1cfa613096596035b1731ce60d83235..5c2905d1ac22a5ea4861500843721f74d804ebfa 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/tag.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/tag.rb
@@ -1,3 +1,3 @@
 require 'active_support/deprecation'
 
-ActiveSupport::Deprecation.warn("ActionDispatch::Assertions::TagAssertions has been has been extracted to the rails-dom-testing gem.")
+ActiveSupport::Deprecation.warn("ActionDispatch::Assertions::TagAssertions has been extracted to the rails-dom-testing gem.")