diff --git a/README.md b/README.md
index 5402036..6b205ab 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,8 @@
 
 ```bash
 sudo docker run --device=/dev/ppp \
-				--cap-add=NET_ADMIN \
-				--restart=always \
-				-p 55355:22 pinlin/gectunnel
+                --cap-add=NET_ADMIN \
+                --restart=always \
+                -p 55355:22 pinlin/gectunnel
 ```