Updated path

Author: maneesht

README.md

@@ -196,7 +196,7 @@ In order to manually test your SDK changes locally, you must use [yarn link](htt
 ```shell
 $ cd packages/firebase
 $ yarn link # initialize the linking to the other folder
-$ cd packages/<my-product> # Example: $ cd packages/database
+$ cd ../packages/<my-product> # Example: $ cd packages/database
 $ yarn link # link your product to make it available elsewhere
 $ cd <my-test-app-dir> # cd into your personal project directory
 $ yarn link firebase firebase/<my-product> # tell yarn to use the locally built firebase SDK instead