Merge pull request #54 from cobaltflames/master

A few README changes to make the sentences more logically ordered, and some removals for concision, as well as some typos fixed!

Author: vesan

README.md

@@ -1,12 +1,12 @@
 ## Script for OS X
 
-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!
+Copy and paste this line in the Terminal and press Enter. The installation will take approximately 30 minutes, so enjoy the text flying on the screen. The installer might request your administrator password. Grabbing a refreshing drink before starting is encouraged!
 
     bash < <(curl -sL 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.
+To install Ruby on Rails development environment, copy and paste this line in the Terminal and press Enter. The installation will take quite some time, so enjoy the text flying on the screen. Grabbing a refreshing drink before starting is encouraged!
 
     sudo apt-get install curl
     bash < <(curl -sL  https://raw.github.com/railsgirls/installation-scripts/master/rails-install-ubuntu.sh)