Update README.md

Author: bshaffer

README.md

@@ -245,9 +245,10 @@ The classes used to call the API in [google-api-php-client-services](https://git
 
 A JSON request to the [Datastore API](https://developers.google.com/apis-explorer/#p/datastore/v1beta3/datastore.projects.runQuery) would look like this:
 
-```json
+```
 POST https://datastore.googleapis.com/v1beta3/projects/YOUR_PROJECT_ID:runQuery?key=YOUR_API_KEY
-
+```
+```json
 {
     "query": {
         "kind": [{