diff --git a/etc/NEWS b/etc/NEWS
index 34d078b485f..77f3ff56516 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -260,9 +260,10 @@ invoke 'C-u C-x v s' ('vc-create-tag').
 *** 'vc-hg' now uses 'hg summary' to populate extra 'vc-dir' headers.
 
 ---
-*** New variable 'vc-git-revision-complete-only-branches'
+*** New variable 'vc-git-revision-complete-only-branches'.
 If non-nil, only branches and remotes are considered when doing
-completion over branch names.
+completion over Git branch names.  The default is nil, which causes
+tags to be considered as well.
 
 ** Gnus