Change to code format with 4 more spaces

Author: insukcho

README.md

@@ -33,10 +33,10 @@ To install locally, clone this repository, `cd` into the directory and run:
 1.  Create an account at [Swiftype](https://swiftype.com/) and get your API key from your [Account Settings](https://app.swiftype.com/settings/account).
 
 2.  Configure your client:
-    ```
-    from swiftype import swiftype
-    client = swiftype.Client(api_key='YOUR_API_KEY')
-    ```
+    
+        from swiftype import swiftype
+        client = swiftype.Client(api_key='YOUR_API_KEY')
+    
 
 3.  Create an `Engine` named e.g. `youtube`: