Updated README

README.md

@@ -6,10 +6,17 @@ Spree Blue Theme is a standalone theme for Spree Commerce version 0.70.0 or late
 INSTALLATION
 ------------
 
-Add the following line to your Gemfile:
+1. Add the following line to your Gemfile:
 
     gem 'spree_blue_theme', :git => 'git://github.com/spree/spree_blue_theme.git'
 
-And install:
+**NOTE:** It's important that you add this line at the bottom of the Gemfile, or at least AFTER any other extension/engine/gem that you'd like to theme (i.e. Spree)
+
+2. And install:
 
     $ bundle install
+
+3. Optional: Clear out precompiled assets (required for install in sandbox):
+
+    $ rake assets:clean
+