Merge branch 'em/middleware-setup' of https://github.com/oslabs-beta/GraphQL-Gate into em/middleware-setup

Author: evanmcneely

README.md

@@ -29,7 +29,7 @@ Install the package
 npm i graphql-limiter
 ```
 
-Import the package and add the rate-limiting middlleware to the Express middleware chain before the GraphQL server.
+Import the package and add the rate-limiting middleware to the Express middleware chain before the GraphQL server.
 
 NOTE: a Redis server instance will need to be started in order for the limiter to cache data.