format the code

2019-05-29 21:34:58 +08:00
parent ec50ada707
commit 778caf1a40
4 changed files with 4 additions and 3 deletions
--- a/cmd/ping/ping.go
+++ b/cmd/ping/ping.go
@ -1,3 +1,4 @@
+// Useage: go run cmd/ping/ping.go localhost
 package main

 import (