[ci skip] Clarify form_with config wording.

railties/lib/rails/generators/rails/app/templates/config/initializers/new_framework_defaults_5_2.rb.tt

@@ -34,5 +34,5 @@
 # Use SHA-1 instead of MD5 to generate non-sensitive digests, such as the ETag header.
 # Rails.application.config.active_support.use_sha1_digests = true
 
-# Generates DOM id for `form_with` helper.
+# Make `form_with` generate id attributes for any generated HTML tags.
 # Rails.application.config.action_view.form_with_generates_ids = true