grep: add support for coloring with external greps

diff --git a/mktag.c b/mktag.c
index 6d5083eaf04b9ad1b54dad5eaca33d9a73373bbd..99a356e9ee75cb247d80ed6dc0b251ceb0bd9e46 100644 (file)
--- a/mktag.c
+++ b/mktag.c
@@ -158,7 +158,7 @@ int main(int argc, char **argv)
        unsigned char result_sha1[20];
 
        if (argc != 1)
-               usage("git-mktag < signaturefile");
+               usage("git mktag < signaturefile");
 
        git_extract_argv0_path(argv[0]);