Update README.md

Author: rosendopili

README.md

@@ -73,8 +73,8 @@ If you're looking for a great way to make your development projects more robust,
   3. Define Merge Fields:
       * By creating the _definitions array_ inside the _mergeFields configuration_, define the merge fields you want to use.
         * Each one should have:
-   	      * **id**
-   	      * **label**
+          * **id**
+          * **label**
           * **defaultValue**
   4. Use Merge Fields in templates: By using the id in the template, incorporate Merge Fields in your templates.
 * Share your implementation with us on our submission form and bonus points if you add your project to our [Devpost Page](https://mlh.link/ghwdevpost)!