Update README.md

33cn · 33cn · commit 1e1cd2ff4b2b · 2021-10-15T01:32:25.000+08:00
diff --git a/README.md b/README.md
@@ -36,7 +36,7 @@ L2 10000
 L3 20000
 ```
 
-## Building from source
+## Building from source 
 
 环境要求: Go (version 1.15 or later)
 
