README.md in potassium-1.3.4 vs README.md in potassium-1.3.5

@@ -2,24 +2,22 @@
 
 A Rails application generator from [Platanus](https://github.com/platanus), inspired by [Suspenders](https://github.com/thoughtbot/suspenders).
 
 ## Installation
 
-First, be sure to have Rails 4.2+ installed on your system.
+You have to install Potassium globally:
 
-Then, install Potassium globally:
-
     $ gem install potassium
 
 ## Usage
 
 ### Starting a new project from scratch
 
 Use the `potassium create` command to create a new project:
 
     $ potassium create project-name
 
-It's important to note that it will perform a version check before running to ensure that you're using the latest potassium.
+It's important to note that it will perform a version check before running to ensure that you're using the latest potassium. Also, if you feel that it's too slow, you may need to update rubygems: `gem update --system`.
 
 ### Adding recipes to an existing project
 
 Use the `potassium install` command to add a recipe to a project: