diff --git a/README.md b/README.md
index 4cf5951b..b0699a5a 100644
--- a/README.md
+++ b/README.md
@@ -34,13 +34,13 @@ https://snapcraft.io/core
 Stable channel:
 
 ```bash
-sudo snap install shadowsocks-libev --classic
+sudo snap install shadowsocks-libev
 ```
 
 Edge channel:
 
 ```bash
-sudo snap install shadowsocks-libev --classic --edge
+sudo snap install shadowsocks-libev --edge
 ```
 
 ## Installation