diff --git a/10.22.c b/10.22.c
index 3039987..fd23d11 100644
--- a/10.22.c
+++ b/10.22.c
@@ -25,7 +25,7 @@ int main(void)
     }
 
     if (n < 0) {
-        printf("read error\n");
+        printf("...read error...\n");
         exit(-1);
     }