Merge pull request #92 from s-gerber/fix/spelling-error

fix small spelling error

Author: tvdeyen

README.md

@@ -4,7 +4,7 @@
 
 [![Gem Version](https://badge.fury.io/rb/alchemy-devise.svg)](http://badge.fury.io/rb/alchemy-devise) [![Test Coverage](https://codeclimate.com/github/AlchemyCMS/alchemy-devise/badges/coverage.svg)](https://codeclimate.com/github/AlchemyCMS/alchemy-devise/coverage) [![Code Climate](https://codeclimate.com/github/AlchemyCMS/alchemy-devise/badges/gpa.svg)](https://codeclimate.com/github/AlchemyCMS/alchemy-devise) [![security](https://hakiri.io/github/AlchemyCMS/alchemy-devise/master.svg)](https://hakiri.io/github/AlchemyCMS/alchemy-devise/master)
 
-AlchemyCMS has no authentication in its core. So it is possibly to bring your own authentication and use it to authorize users in AlchemyCMS. If you don't have your own authentication, you can use this gem.
+AlchemyCMS has no authentication in its core. So it is possible to bring your own authentication and use it to authorize users in AlchemyCMS. If you don't have your own authentication, you can use this gem.
 
 ## Install