diff --git a/doc/tips/local_caching_of_annexed_files/comment_21_f7913b3477fb18b1d6eb6b3ab6bef090._comment b/doc/tips/local_caching_of_annexed_files/comment_21_f7913b3477fb18b1d6eb6b3ab6bef090._comment
new file mode 100644
index 0000000000..0061b2260d
--- /dev/null
+++ b/doc/tips/local_caching_of_annexed_files/comment_21_f7913b3477fb18b1d6eb6b3ab6bef090._comment
@@ -0,0 +1,8 @@
+[[!comment format=mdwn
+ username="yarikoptic"
+ avatar="http://cdn.libravatar.org/avatar/f11e9c84cb18d26a1748c33b48c924b4"
+ subject="FTR: a dedicated issue on CoW across subvolumes"
+ date="2019-07-08T19:04:03Z"
+ content="""
+https://git-annex.branchable.com/bugs/Uses_rsync_instead_of___96__cp_--reflink__61__auto__96___on_volumes_of_the_same_BTRFS_partition/?updated
+"""]]