Merge pull request heartcombo#2007 from willrax/patch-1

fixed typo in readme.md

README.md

@@ -304,7 +304,7 @@ https://github.com/plataformatec/devise/wiki/I18n
 
 ### Test helpers
 
-Devise includes some tests helpers for functional specs. In other to use them, you need to include Devise in your functional tests by adding the following to the bottom of your `test/test_helper.rb` file:
+Devise includes some tests helpers for functional specs. In order to use them, you need to include Devise in your functional tests by adding the following to the bottom of your `test/test_helper.rb` file:
 
 ```ruby
 class ActionController::TestCase