DOCSP-42681 -- Add trailing slash to example OM URI (#937)

Author: jvincent-mongodb

source/includes/steps-configure-mcli.yaml

@@ -111,7 +111,7 @@ content: |
   .. code-block:: sh
      :copyable: false
 
-     ? URL to Access Ops Manager: http://mms.example.com:8080
+     ? URL to Access Ops Manager: http://mms.example.com:8080/
 
 ---
 title: "Enter your {{apiKeys}}."