completed provisioning section

Author: usmangt

docs/sources/setup/provisioning.md

@@ -31,11 +31,11 @@ You can use any of the 3 types of provisioning:
 
 ## Using the API key authentication type
 
-You can use the basic API key authentication type by simply creating a new API Key for the Google Sheets from the Workspace. For more information about creating the API Key, refer to [Google Workspace guides](https://developers..google.com/workspace/guides/enable-apis#google-cloud-console)
+You can use the basic API key authentication type by simply creating a new API Key for the Google Sheets from the Workspace. For more information about the Google Sheets API Key, refer to [Google Sheets API](https://developers.google.com/sheets/api/reference/rest).
 
 **Example**
 
-The following YAML snippet can be used to provision the Google Sheets data source for Grafana if you are using the API key authentication type.:
+The following YAML snippet can be used to provision the Google Sheets data source for Grafana if you are using the API key authentication type.
 
 ```yaml
 apiVersion: 1
@@ -51,9 +51,13 @@ datasources:
     editable: true
 ```
 
-## Using the Google JWT file (service account) authentication type
+## Using the Google JWT service accounts authentication type
 
-You can also use the Google JWT file authentication type that will allow you to authenticate for server-side applications or backend services that need to access Google APIs on behalf of a user or service account.
+You can use the Google JSON Web Tokens (JWT) service accounts authentication type that will allow you to authenticate for server-side applications or backend services that need to access Google APIs on behalf of a user or service account. For more information about the Google Sheets API Key, refer to [Using JWT to authenticate users](https://cloud.google.com/api-gateway/docs/authenticating-users-jwt).
+
+**Example**
+
+The following YAML snippet can be used to provision the Google Sheets data source for Grafana if you are using the JWT (service account) authentication type.
 
 ```yaml
 apiVersion: 1
@@ -74,6 +78,11 @@ datasources:
 
 ## Using the GCE authentication type
 
+You can also use the Google Compute Engine (GCE) authentication type if you running applications or services on Google Compute Engine virtual machines as it provides a default service account that is associated with each virtual machin which can also be be used to authenticate and authorize access to Google services and APIs from within the virtual machine. For more information about the Google Sheets API Key, refer to [Authenticate to Compute Engine](https://cloud.google.com/compute/docs/authentication).
+
+**Example**
+
+The following YAML snippet can be used to provision the Google Sheets data source for Grafana if you are using the GCE authentication type.
 
 ```yaml
 apiVersion: 1
@@ -86,4 +95,4 @@ datasources:
       defaultProject: 'your-project-id'
     version: 1
     editable: true
-```
+```