diff --git a/doc/design/external_backend_protocol/comment_3_cd3410e6c1088289f71ed30b34d802f9._comment b/doc/design/external_backend_protocol/comment_3_cd3410e6c1088289f71ed30b34d802f9._comment
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index 0000000000..12a7c7bb08
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+++ b/doc/design/external_backend_protocol/comment_3_cd3410e6c1088289f71ed30b34d802f9._comment
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+[[!comment format=mdwn
+ username="ah.nikfal@ad3e37b2c18d5aea546f662a0ba95796d0ef33ed"
+ nickname="ah.nikfal"
+ avatar="http://cdn.libravatar.org/avatar/0705936f3b4b8300018ce0ab62a114e5"
+ subject="How to use git-annex-backend-XFOO"
+ date="2022-12-09T12:58:57Z"
+ content="""
+After creating git-annex-backend-XFOO, how should I use this file? Where should I put this file?
+"""]]