Fix to build pdf

Web-application.md

@@ -43,7 +43,7 @@ The redux [store](https://github.com/ReCodEx/web-app/blob/master/src/redux/store
 
 #### apiMiddleware
 
-The API middleware catches all the `'CALL_API'` actions and turns them into a HTTP request via the [fetch API](https://developer.mozilla.org/en/docs/Web/API/Fetch_API). The middleware deeply converts data in the *body* part of the request to `FormData` and sets correctly the headers and creates endpoints for the API server before each request is sent. The middleware also handle the responses - converts them to the format expected by the reducers and catches requests' failures.
+The API middleware catches all the `CALL_API` actions and turns them into a HTTP request via the [fetch API](https://developer.mozilla.org/en/docs/Web/API/Fetch_API). The middleware deeply converts data in the *body* part of the request to `FormData` and sets correctly the headers and creates endpoints for the API server before each request is sent. The middleware also handle the responses - converts them to the format expected by the reducers and catches requests' failures.
 
 #### accessTokenMiddleware