(DOCSP-22638) Fix syntax (#941)

* (DOCSP-22638) Fix syntax

* Edits

Author: JuliaMongo

source/includes/steps-helm-master.yaml

@@ -26,20 +26,24 @@ replacement:
 
     Install :mdb-github:`MongoDB Helm Charts for Kubernetes </helm-charts>`.
     The following command installs the |k8s-crds| and the |k8s-op-short|
-    in the current namespace named ``default``.
+    in the current namespace named ``default``. By default, the
+    |k8s-op-short| uses the ``default`` namespace.
 
     .. code-block:: sh
 
        helm install enterprise-operator mongodb/enterprise-operator
 
-    To learn about optional |k8s-op-short| installation settings, see
-    :ref:`Operator Helm Installation Settings <meko-op-install-settings-helm>`.
-
-    You can specify a different namespace with:
+    The following command installs the |k8s-op-short|  in the ``mongodb``
+    namespace with the optional ``--create-namespace`` option.
 
     .. code-block:: sh
 
-       helm install enterprise-operator mongodb/enterprise-operator --namespace mongodb [--create-namespace]
+       helm install enterprise-operator mongodb/enterprise-operator \
+         --namespace mongodb \
+         --create-namespace
+
+    To learn about optional |k8s-op-short| installation settings, see
+    :ref:`Operator Helm Installation Settings <meko-op-install-settings-helm>`.
 
   k8soffline: |