diff --git a/docs/build_from_source.md b/docs/build_from_source.md
index 321cbb8621..db6ba564d4 100644
--- a/docs/build_from_source.md
+++ b/docs/build_from_source.md
@@ -7,13 +7,13 @@
 
 This section provides instructions on building Infinity from source on Ubuntu 22.04.
 
-#### Step1 Download the source code
+### Step1 Download the source code
 
 ```shell
 $ git clone https://github.com/infiniflow/infinity.git
 ```
 
-#### Step2 Install necessary dependencies
+### Step2 Install necessary dependencies
 
 ```bash
 wget https://cmake.org/files/v3.28/cmake-3.28.1-linux-x86_64.tar.gz
@@ -46,7 +46,6 @@ ninja -j 12
 ```
 
 
-
 ## Build from source on Ubuntu 23.10
 
 This section provides instructions on building Infinity from source on Ubuntu 23.10.