Merge pull request #3 from 0xfeeddeadbeef/patch-1

Fix broken link to Buffalo project

Author: paganotoni

README.md

@@ -1,6 +1,6 @@
 ### Sendgrid Buffalo Sender
 
-This is a [buffalo](github.com/gobuffalo/buffalo) sender for the [Sendgrid](https://sendgrid.com) email service.
+This is a [buffalo](https://github.com/gobuffalo/buffalo) sender for the [Sendgrid](https://sendgrid.com) email service.
 
 #### How to use