Update README.md

Jon Mountjoy · Jon Mountjoy · commit d68959451804 · 2014-08-25T14:03:02.000+01:00
diff --git a/README.md b/README.md
@@ -27,7 +27,7 @@ $ heroku open
 
 ## Documentation
 
-For more information about using Ruby on Heroku, see these Dev Center articles:
+For more information about using Java on Heroku, see these Dev Center articles:
 
 - [Java on Heroku](https://devcenter.heroku.com/categories/java)
 
