From d0190e4d4fc5267a1ac7f5d98d32de07108135ed Mon Sep 17 00:00:00 2001
From: Yohei Hiyama <hymyhds@gmail.com>
Date: Tue, 25 Sep 2018 21:47:59 +0900
Subject: [PATCH] fixed a format of grep2.c

---
 grep2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grep2.c b/grep2.c
index a33d714..229f288 100644
--- a/grep2.c
+++ b/grep2.c
@@ -28,7 +28,7 @@ main(int argc, char *argv[])
             opt_invert = 1;
             break;
         case '?':
-            fprintf(stderr, "Usage: %s [-iv] [<file>...]\n", argv[0]);
+            fprintf(stderr, "Usage: %s [-iv] pattern [<file>...]\n", argv[0]);
             exit(1);
         }
     }