diff --git a/actionpack/lib/action_dispatch/testing/assertions/dom.rb b/actionpack/lib/action_dispatch/testing/assertions/dom.rb
index 53d1b198e6..fb579b52fe 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/dom.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/dom.rb
@@ -1,3 +1,3 @@
 require 'active_support/deprecation'
 
-ActiveSupport::Deprecation.warn("ActionDispatch::Assertions::DomAssertions has been moved to ActionView. You can find it in action_view/testing/assertions/dom.rb.")
\ No newline at end of file
+ActiveSupport::Deprecation.warn("ActionDispatch::Assertions::DomAssertions has been extracted to the rails-dom-testing gem.")
\ No newline at end of file
diff --git a/actionpack/lib/action_dispatch/testing/assertions/selector.rb b/actionpack/lib/action_dispatch/testing/assertions/selector.rb
index bb6aec7415..19eca60f70 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/selector.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/selector.rb
@@ -1,3 +1,3 @@
 require 'active_support/deprecation'
 
-ActiveSupport::Deprecation.warn("ActionDispatch::Assertions::SelectorAssertions has been moved to Action View in action_view/testing/assertions/selector.rb.")
\ No newline at end of file
+ActiveSupport::Deprecation.warn("ActionDispatch::Assertions::SelectorAssertions has been has been extracted to the rails-dom-testing gem.")
\ No newline at end of file