(DOCSP-41042): Make command to create mms-automation user more visible (#325)

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- [DOCSP-41042](https://jira.mongodb.org/browse/DOCSP-41042)
-
[STAGING](https://preview-mongodbdavidhou17.gatsbyjs.io/ops-manager/DOCSP-41042/tutorial/add-existing-mongodb-processes/#prerequisites)

- [LATEST BUILD
LOG](https://preview-mongodbdavidhou17.gatsbyjs.io/ops-manager/DOCSP-41042/)

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---------

Co-authored-by: pierwill <[email protected]>

Author: davidhou17

source/includes/prerequisites-for-adding-existing-deployment-to-automation.rst

@@ -60,29 +60,29 @@
 
           Open the :setting:`mmsConfigBackup` file in your preferred text editor and find the ``autoPwd`` value.
 
-          .. example::
-
-             If the |mms| project has :doc:`Username/Password 
-             </tutorial/enable-mongodbcr-authentication-for-group>`
-             mechanism selected for its authentication settings, add the
-             project's |mms| {+mdbagent+}s User ``mms-automation`` to
-             the ``admin`` database in the MongoDB deployment to import.
-
-             .. code-block:: javascript
-
-                db.getSiblingDB("admin").createUser(
-                   {
-                     user: "mms-automation",
-                     pwd: <password>,
-                     roles: [
-                       'clusterAdmin',
-                       'dbAdminAnyDatabase',
-                       'readWriteAnyDatabase',
-                       'userAdminAnyDatabase',
-                       'restore',
-                       'backup'
-                     ]
-                   }
+    .. example::
+
+        If the |mms| project is using :doc:`Username/Password 
+        </tutorial/enable-mongodbcr-authentication-for-group>`
+        authentication, add the
+        project's |mms| {+mdbagent+}s User ``mms-automation`` to
+        the ``admin`` database in the MongoDB deployment to import.
+
+        .. code-block:: javascript
+
+          db.getSiblingDB("admin").createUser(
+              {
+                user: "mms-automation",
+                pwd: <password>,
+                roles: [
+                  'clusterAdmin',
+                  'dbAdminAnyDatabase',
+                  'readWriteAnyDatabase',
+                  'userAdminAnyDatabase',
+                  'restore',
+                  'backup'
+                ]
+              }
 
 - When you add a cluster under |mms|, |mms| automatically enables log
   :manual:`rotation </tutorial/rotate-log-files/>`, which could collide