DOCSP-41735 Correct helm chart docs on watchedNamespaces (#151)

Co-authored-by: pierwill <pierwill@users.noreply.github.com>
Co-authored-by: josvaz <jose.vazquez@mongodb.com>
Co-authored-by: lmkerbey-mdb <105309825+lmkerbey-mdb@users.noreply.github.com>

Author: 3 people

source/includes/steps-ak8so-helm-quick-start.yaml

@@ -29,15 +29,9 @@ content: |
        helm repo add mongodb https://mongodb.github.io/helm-charts
        helm install atlas-operator --namespace=atlas-operator --create-namespace mongodb/mongodb-atlas-operator
   
-  - If you want |ak8so| to watch only its own |k8s-ns|, set the 
-    ``--watchNamespaces`` flag to its own |k8s-ns|, and run the 
-    following command:
-
-    .. note::
-
-       You can set the ``--watchNamespaces`` flag only to its 
-       own |k8s-ns|. Setting the ``--watchNamespaces`` flag to any 
-       other |k8s-ns| is currently unsupported. 
+  - If you want |ak8so| to watch a particular set of |k8s-nss|, set the 
+    ``--watchNamespaces`` flag to a comma-separated list of |k8s-nss| to be watched.
+    For example, run the following command to watch only the ``atlas-operator``namespace:
 
     .. code-block:: sh