diff --git a/README.md b/README.md
index a73fa23..1536f27 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <h1 align="center">tun2socks</h1>
-<h3 align="center">A tun2socks implementation written in Go.</h3>
+<h3 align="center">A tun2socks powered by gVisor TCP/IP stack.</h3>
 
 <p align="center">
   <a href="https://github.com/xjasonlyu/tun2socks/actions">
@@ -222,7 +222,7 @@ PROXY=socks5://server:port LOGLEVEL=INFO sh ./scripts/entrypoint.sh
 
 ```text
 NAME:
-   tun2socks - A tun2socks implementation written in Go.
+   tun2socks - A tun2socks powered by gVisor TCP/IP stack.
 
 USAGE:
    tun2socks [global options] [arguments...]
diff --git a/main.go b/main.go
index f8f5b03..fd8b463 100644
--- a/main.go
+++ b/main.go
@@ -10,7 +10,7 @@ import (
 	"github.com/xjasonlyu/tun2socks/pkg/log"
 )
 
-const Usage = "A tun2socks implementation written in Go."
+const About = "A tun2socks powered by gVisor TCP/IP stack."
 
 var (
 	Version   string
@@ -19,7 +19,7 @@ var (
 
 func main() {
 	app := &cli.App{
-		Usage:   Usage,
+		Usage:   About,
 		Version: Version,
 		Action:  cmd.Main,
 		Flags: []cli.Flag{