Remove trailing whitespace

jasonrudolph · jasonrudolph · commit 6f2833bf17f2 · 2013-03-11T08:47:21.000-04:00
diff --git a/content/guides/basics-of-authentication.md b/content/guides/basics-of-authentication.md
@@ -128,7 +128,7 @@ into our Sinatra app. On top of that, we're going to be using a middleware calle
 [sinatra-auth-github][sinatra auth github] (which was written by a GitHubber).
 This will make authentication transparent to the user.
 
-After you run `gem install sinatra_auth_github`, create a file called _advanced_server.rb_, 
+After you run `gem install sinatra_auth_github`, create a file called _advanced_server.rb_,
 and paste these lines into it:
 
     require 'sinatra/auth/github'
