diff --git a/README.md b/README.md
index 9213980d96..6184a51b16 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ $ cd ucloud-cli
 $ make install
 ```
 
-###Config UCloud CLI
+### Config UCloud CLI
 
 After install the cli, run 'ucloud config' to complete the cli configuration following the tips.