diff --git a/doc/forum/How_can_I_determine_why_a_given_file_is___34__used__34____63__/comment_4_8323e9160d81a4a65f2ca545c4469869._comment b/doc/forum/How_can_I_determine_why_a_given_file_is___34__used__34____63__/comment_4_8323e9160d81a4a65f2ca545c4469869._comment
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+[[!comment format=mdwn
+ username="erics"
+ avatar="http://cdn.libravatar.org/avatar/6e5f74c742128e5d98fd672ed6ea4865"
+ subject="comment 4"
+ date="2021-05-10T22:06:02Z"
+ content="""
+May I suggest a *what references this key* command?  With that, I'd have been able to figure out for myself what I'd done wrong.
+"""]]