Fixes installation script paths

Author: vesan

README.md

@@ -2,12 +2,12 @@
 
 Copy and paste this line the Terminal and press Enter. Enjoy the text flying on the screen, it will take quite some time (approximately 30 minutes). Installer might ask for your administrator password. Grabbing a refreshing drink before starting is encouraged!
 
-    bash < <(curl -s https://raw.github.com/railsgirls/installation-scripts/rails-install-osx.sh)
+    bash < <(curl -s https://raw.github.com/railsgirls/installation-scripts/master/rails-install-osx.sh)
 
 ## Script for Ubuntu
 
 To install Ruby on Rails development environment you just need to copy and paste this line the Terminal and press Enter. Enjoy the text flying on the screen, it will take quite some time. Grabbing a refreshing drink before starting is encouraged.
 
-    bash < <(curl -s  https://raw.github.com/railsgirls/installation-scripts/rails-install-ubuntu.sh)
+    bash < <(curl -s  https://raw.github.com/railsgirls/installation-scripts/master/rails-install-ubuntu.sh)