fixed readme file

README.md

@@ -39,7 +39,7 @@ TODOs:
    
    b. Open up your *module level* `build.gradle` file and add to the dependencies: 
 
-    ```
+   ```
      implementation 'com.mapbox.maps:android:10.5.0'
    ```
 
@@ -53,11 +53,11 @@ TODOs:
    
    c. Copy and paste the code below in that the `mapbox.xml` resource file. 
 
-```
-     <resources>
-        <string name="mapbox_access_token"></string>
-     </resources>
-```
+    ```
+         <resources>
+            <string name="mapbox_access_token"></string>
+         </resources>
+    ```
    d. Copy your default public access key from https://account.mapbox.com/access-tokens/
    into `mapbox.xml` inside the `<string name="mapbox_access_token"></string>`