Remove non-words from dictionary

content/elsewhere/aws-opsworks-lessons-learned/index.md

@@ -12,7 +12,7 @@ on a recent client project. The website describes OpsWorks as
 > a DevOps solution for managing applications of any scale or complexity
 > on the AWS cloud.
 
-You can think of it as a middleground between something like Heroku and
+You can think of it as a middle ground between something like Heroku and
 a manually configured server environment. You can also think of it as
 [Chef](http://www.opscode.com/chef/)-as-a-service. Before reading on,
 I'd recommend reading this [Introduction to AWS