diff --git a/README.md b/README.md
index d5d40f2..f0c33e7 100644
--- a/README.md
+++ b/README.md
@@ -18,10 +18,12 @@ Installation
 ------------
 
   zsh < <(curl -s https://raw.github.com/damonmorgan/environment/master/mac_part1)
+
   zsh < <(curl -s https://raw.github.com/damonmorgan/environment/master/mac_part2)
+
   rake install
 
-restart terminal
+  restart terminal
 
   zsh < <(curl -s https://raw.github.com/damonmorgan/environment/master/mac_part3)
 
diff --git a/mac_part3 b/mac_part3
index b55f8f8..f4ccab9 100644
--- a/mac_part3
+++ b/mac_part3
@@ -33,6 +33,8 @@ echo "Fetch better programming font"
   vared -p "Press any key once you have installed the Inconsolata font..." tmp
 
 echo "Install lastest ruby"
+  brew tap homebrew/dupes
+  brew install apple-gcc42
   successfully brew install ruby-build
   successfully rbenv install 1.9.3-p374
   successfully rbenv rehash