diff --git a/doc/todo/command_to_list_keys_for_old_versions_of_files/comment_2_5062a0f8b57fdebf74fef8a65ac0a0b2._comment b/doc/todo/command_to_list_keys_for_old_versions_of_files/comment_2_5062a0f8b57fdebf74fef8a65ac0a0b2._comment
new file mode 100644
index 0000000000..152a91ecc0
--- /dev/null
+++ b/doc/todo/command_to_list_keys_for_old_versions_of_files/comment_2_5062a0f8b57fdebf74fef8a65ac0a0b2._comment
@@ -0,0 +1,8 @@
+[[!comment format=mdwn
+ username="nobodyinperson"
+ avatar="http://cdn.libravatar.org/avatar/736a41cd4988ede057bae805d000f4f5"
+ subject="comment 2"
+ date="2023-08-22T17:57:45Z"
+ content="""
+Or better: make `git annex unused` accept the common matching options. Then `git annex unused --include=myfile.txt` can be used for the same effect.
+"""]]