README.md in tqdm-0.3.0 vs README.md in tqdm-0.4.0

- old
+ new

@@ -27,10 +27,10 @@
 
 ## Install
 
 Install it globally from [Rubygems](https://rubygems.org/gems/tqdm):
 
-    $ gem install tqdm    # (might need sudo on OS X)
+    $ gem install tqdm    # (might need sudo for a system ruby)
 
 *or* add this line to your application's Gemfile:
 
     gem 'tqdm'