git: git-blame-ignore-revs shown as an error on Github

So let's move the comment above the actual revision.

related:
https://github.com/vim/vim/commit/88542445871d882b2a0e79410774797a73fe9e60#commitcomment-148723832

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index f859027..5888c31 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -5,5 +5,6 @@
 #
 # Run this command to always ignore formatting commits in git blame
 # git config blame.ignoreRevsFile .git-blame-ignore-revs
-# 
-8ce738de3fd7192fa6274730594305cde780074c  # expand tabs to spaces in sound.c
+
+# Patch v9.1.0829 expanded tabs to spaces in sound.c
+8ce738de3fd7192fa6274730594305cde780074c