DH-4617 Improve bigquery tutorial paragraph

Dataherald · Sep 7, 2023 · e0cdb13 · e0cdb13
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diff --git a/README.md b/README.md
@@ -215,8 +215,11 @@ You can generate the `connection_uri` parameter in the API call for each of the
 ```
 
 **BigQuery**
-To connect to BigQuery you should create a credential file, this is a json file, you can
-follow this [tutorial](https://www.privacydynamics.io/docs/connections/bigquery.html) to generate it.
+To connect to BigQuery you should create a json credential file. Please follow Steps 1-3 under "Configure 
+BigQuery Authentication in Google Cloud Platform" in 
+this [tutorial](https://www.privacydynamics.io/docs/connections/bigquery.html). 
+
+> IMPORTANT: Please ensure the service account only has **"Viewer"** permissions.
 
 Once you have your credential json file you can store it inside this project for example I created the folder 
 `private_credentials` and inside I stored my credential file `my-db-123456acbd.json`

diff --git a/docs/api.database.rst b/docs/api.database.rst
@@ -151,8 +151,11 @@ Example::
 BigQuery
 ^^^^^^^^^^^^
 
-To connect to BigQuery you should create a json credential file. You can
-follow this `tutorial <https://www.privacydynamics.io/docs/connections/bigquery.html>`_ to generate it.
+To connect to BigQuery you should create a json credential file. Please follow Steps 1-3 under "Configure BigQuery
+Authentication in Google Cloud Platform" in
+this `tutorial <https://www.privacydynamics.io/docs/connections/bigquery.html>`_.
+
+    Please ensure the service account only has **"Viewer"** permissions.
 
 Once you have your credential json file you can store it inside the project. For example given the credential file `my-db-123456acbd.json` 
 in the folder `private_credentials`  you should set in the endpoint param `path_to_credentials_file` the path, for example::