standardize usage info string format

diff --git a/builtin/blame.c b/builtin/blame.c
index 303e217ae919f21aa4d4574bd1720b5f4d635c32..f0fac655edeed66c196154b73420105d6b301949 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -27,12 +27,12 @@
 #include "line-range.h"
 #include "line-log.h"
 
-static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file");
+static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] file");
 
 static const char *blame_opt_usage[] = {
        blame_usage,
        "",
-       N_("[rev-opts] are documented in git-rev-list(1)"),
+       N_("<rev-opts> are documented in git-rev-list(1)"),
        NULL
 };