diff --git a/docs/installation.md b/docs/installation.md
index e58bba7e3..04d8a8443 100755
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -34,7 +34,7 @@ pip install -U funasr
 # pip install -U funasr -i https://mirror.sjtu.edu.cn/pypi/web/simple
 ```
 
-### Or install from source code
+#### Or install from source code
 
 ``` sh
 git clone https://github.com/alibaba/FunASR.git && cd FunASR