docs update

Author: Avi-Robusta

docs/configuration/metric-providers-google.rst

@@ -20,10 +20,8 @@ Add the following configuration to your ``generated_values.yaml`` file:
 .. code-block:: yaml
 
     globalConfig:
-        # Set this to the URL of your Prometheus Frontend endpoint
-        prometheus_url: http://my-prometheus-frontend:9090
-        # Example (Google Managed Prometheus in-cluster frontend):
-        # prometheus_url: http://frontend.default.svc.cluster.local:9090
+        # Set this to the URL of your Prometheus Frontend endpoint, it may change depending on the namespace you deployed it to.
+        prometheus_url: http://frontend.default.svc.cluster.local:9090
         check_prometheus_flags: false  # Required for Google Managed Prometheus
 
 Then :ref:`update Robusta <Simple Upgrade>`.