diff --git a/core.go b/core.go
old mode 100644
new mode 100755
index bcc3fc686..5ad599ba1
--- a/core.go
+++ b/core.go
@@ -19,7 +19,7 @@ var (
 	version  = "3.16"
 	build    = "Custom"
 	codename = "die Commanderin"
-	intro    = "An unified platform for anti-censorship."
+	intro    = "A unified platform for anti-censorship."
 )
 
 // Version returns V2Ray's version as a string, in the form of "x.y.z" where x, y and z are numbers.
diff --git a/proxy/http/server.go b/proxy/http/server.go
old mode 100644
new mode 100755
index ec30bd115..ffc7a1bc5
--- a/proxy/http/server.go
+++ b/proxy/http/server.go
@@ -21,7 +21,7 @@ import (
 	"v2ray.com/core/transport/internet"
 )
 
-// Server is a HTTP proxy server.
+// Server is an HTTP proxy server.
 type Server struct {
 	config *ServerConfig
 	v      *core.Instance
diff --git a/transport/internet/websocket/ws.go b/transport/internet/websocket/ws.go
old mode 100644
new mode 100755
index 7e5f1c7af..e9863b031
--- a/transport/internet/websocket/ws.go
+++ b/transport/internet/websocket/ws.go
@@ -1,6 +1,6 @@
 /*Package websocket implements Websocket transport
 
-Websocket transport implements a HTTP(S) compliable, surveillance proof transport method with plausible deniability.
+Websocket transport implements an HTTP(S) compliable, surveillance proof transport method with plausible deniability.
 */
 package websocket