diff --git a/index.md b/index.md
index 87a0365..d51665d 100644
--- a/index.md
+++ b/index.md
@@ -7,7 +7,7 @@ We need several install packages before installation is installed. It different
 Dependency
 
 
-`git` `python-pip` `rubygem` `go` `python` `ruby` `homebrew`
+`git`, `python-pip`, `rubygem`, `go`, `python`, `ruby`, `homebrew`
 
 Step by Step
 ```