symbolic ref: refuse non-ref targets in HEAD

diff --git a/Documentation/git-diff-files.txt b/Documentation/git-diff-files.txt
index 5c8c1d95a89b15e936816f486a8114cbc6788fb9..c5261415643d359648900e17f522ba7b96fed44a 100644 (file)
--- a/Documentation/git-diff-files.txt
+++ b/Documentation/git-diff-files.txt
@@ -21,7 +21,10 @@ OPTIONS
 -------
 include::diff-options.txt[]
 
--1 -2 -3 or --base --ours --theirs, and -0::
+-1 --base::
+-2 --ours::
+-3 --theirs::
+-0::
        Diff against the "base" version, "our branch" or "their
        branch" respectively.  With these options, diffs for
        merged entries are not shown.