Use "compatibility" instead of "compatability"

Author: ydah

lib/generators/rspec.rb

@@ -2,7 +2,7 @@
 require 'rspec/rails/feature_check'
 
 # @private
-# Weirdly named generators namespace (should be `RSpec`) for compatability with
+# Weirdly named generators namespace (should be `RSpec`) for compatibility with
 # rails loading.
 module Rspec
   # @private