diff --git a/Ubuntu.stable.md b/Ubuntu.stable.md
index a8d5e21..f7e02c8 100644
--- a/Ubuntu.stable.md
+++ b/Ubuntu.stable.md
@@ -3,7 +3,7 @@
 * install git
 * generate ssh key
 
-### 1. Install ruby 1.9.2 (skip if exists)
+### [[Ruby]] 1. Install ruby 1.9.2 (skip if exists)
 
 ```bash
 sudo apt-get install -y wget curl gcc checkinstall libxml2-dev libxslt-dev sqlite3 libsqlite3-dev libcurl4-openssl-dev libc6-dev libssl-dev libmysql++-dev make build-essential zlib1g-dev libicu-dev redis-server