user-manual: remote-tracking can be checked out, with detached HEAD

diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
index a5782a6d1442b4c1860c8e86bf94fa7e00f78fb6..1ca56c85aa66b96dc1774b77ba1e117d93847033 100644 (file)
--- a/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@ -144,8 +144,8 @@ you will need to handle the situation manually.
         Report what is being added and removed from index.
 
 -z::
-       Only meaningful with `--stdin`; paths are separated with
-       NUL character instead of LF.
+       Only meaningful with `--stdin` or `--index-info`; paths are
+       separated with NUL character instead of LF.
 
 \--::
        Do not interpret any more arguments as options.