diff --git a/doc/todo/Incremental_git_annex_sync_--content_--all/comment_4_c232e1e1cfcc47f70079f2d32c2b4633._comment b/doc/todo/Incremental_git_annex_sync_--content_--all/comment_4_c232e1e1cfcc47f70079f2d32c2b4633._comment
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+[[!comment format=mdwn
+ username="joey"
+ subject="""comment 4"""
+ date="2023-06-23T16:00:04Z"
+ content="""
+My recent optimisations of `git-annex sync` with importtree remotes uses a
+similar diffing approach.
+
+A transition is underway to making `--content` be enabled by default, and
+faster syncing with it would be a nice thing to do before then.
+"""]]