changed link anchor

also known as: "fixed"

app/serializers/issue_entity.rb

@@ -61,7 +61,7 @@ class IssueEntity < IssuableEntity
   end
 
   expose :locked_discussion_docs_path, if: -> (issue) { issue.discussion_locked? } do |issue|
-    help_page_path('user/discussions/index.md', anchor: 'lock-discussions')
+    help_page_path('user/discussions/index.md', anchor: 'prevent-comments-by-locking-an-issue')
   end
 
   expose :is_project_archived do |issue|

app/serializers/merge_request_noteable_entity.rb

@@ -43,7 +43,7 @@ class MergeRequestNoteableEntity < IssuableEntity
   end
 
   expose :locked_discussion_docs_path, if: -> (merge_request) { merge_request.discussion_locked? } do |merge_request|
-    help_page_path('user/discussions/index.md', anchor: 'lock-discussions')
+    help_page_path('user/discussions/index.md', anchor: 'prevent-comments-by-locking-an-issue')
   end
 
   expose :is_project_archived do |merge_request|