Update src/connections/reverse-etl/reverse-etl-source-setup-guides/bigquery-setup.md

Co-authored-by: Prayansh Srivastava <[email protected]>

Author: gilsegment

src/connections/reverse-etl/reverse-etl-source-setup-guides/bigquery-setup.md

@@ -21,7 +21,7 @@ With this approach, use BigQuery predefined roles to create a service account fo
 3. Enter your **Service account name** and a description of what the service account will do.
 
 4. Click **Create and Continue**. 
-5. Click **+ Add another role** and add the **BigQuery User** role. 
+5. Click **+ Add another role** and add the [**BigQuery User**](https://cloud.google.com/bigquery/docs/access-control#bigquery.user) role. 
 6. Click **+ Add another role** and add the **BigQuery Data Editor** role. 
 7. Click **Continue**., then click **Done**.