Update flag name and add comment

app/views/projects/diffs/_email_line.html.haml

+-# This template is used when rendering diffs in email notifications
+-# Called inside: app/views/notify/repository_push_email.html.haml
+-#                app/views/notify/_note_email.html.haml
+
 %tr.line_holder{ class: line.type }
   - case line.type
   - when 'match'

app/views/projects/diffs/_text_file.html.haml

@@ -4,7 +4,7 @@
     %a.show-suppressed-diff.cursor-pointer.js-show-suppressed-diff= _("Changes suppressed. Click to show.")
 
 %table.text-file.diff-wrap-lines.code.code-commit.js-syntax-highlight.commit-diff{ data: diff_view_data, class: too_big ? 'hide' : '' }
-  - if Feature.enabled?(:inline_diff_line_rendering, @project, default_enabled: :yaml)
+  - if Feature.enabled?(:inline_haml_diff_line_rendering, @project, default_enabled: :yaml)
     - diff_file.highlighted_diff_lines.each do |line|
       - line_code = diff_file.line_code(line)
 

config/feature_flags/development/inline_diff_line_rendering.yml → config/feature_flags/development/inline_haml_diff_line_rendering.yml

 ---
-name: inline_diff_line_rendering
+name: inline_haml_diff_line_rendering
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/57237
 rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/330582
-milestone: '14.6'
+milestone: '14.7'
 type: development
 group: group::source code
 default_enabled: false