use -h for synopsis and --help for manpage consistently

diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt
index 798e5d5b4f740bf7d579f37df787b315164bffb6..1f7312a1895ae66901e5472132406d01303da1f8 100644 (file)
--- a/Documentation/git-check-attr.txt
+++ b/Documentation/git-check-attr.txt
@@ -33,8 +33,11 @@ OPTIONS
 
 \--::
        Interpret all preceding arguments as attributes and all following
-       arguments as path names. If not supplied, only the first argument will
-       be treated as an attribute.
+       arguments as path names.
+
+If none of `--stdin`, `--all`, or `--` is used, the first argument
+will be treated as an attribute and the rest of the arguments as
+pathnames.
 
 OUTPUT
 ------