doc: clarify syntax for %C(auto,...) in pretty formats

diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 5da7cf5a8d02d6fd52993f042f29efe4cc749051..a02f7324c01ee5811441d2a6dcb93aafd892298c 100644 (file)
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -133,8 +133,8 @@ parents) and `--max-parents=-1` (negative numbers denote no upper limit).
        for all following revision specifiers, up to the next `--not`.
 
 --all::
-       Pretend as if all the refs in `refs/` are listed on the
-       command line as '<commit>'.
+       Pretend as if all the refs in `refs/`, along with `HEAD`, are
+       listed on the command line as '<commit>'.
 
 --branches[=<pattern>]::
        Pretend as if all the refs in `refs/heads` are listed