diff --git a/doc.go b/doc.go
old mode 100644
new mode 100755
index 2dec658..f76c818
--- a/doc.go
+++ b/doc.go
@@ -1,5 +1,5 @@
 /*
-package socks implement a socks4/4a/5 protocol server and client
+Package socks implement a socks4/4a/5 protocol server and client.
 
 only support CONNECT command now