diff --git a/sudo.md b/sudo.md
index 904e811..78e557f 100644
--- a/sudo.md
+++ b/sudo.md
@@ -11,7 +11,7 @@ If you need root,  please `su` to root first, and then install acme.sh and use i
 
 ```sh
 
-#unstall for current user
+#uninstall for current user
 acme.sh --uninstall
 
 #change to root