Added copy to reflext UI updates

Author: nvillahermosa-mdb

source/database-connections/save-mongodb-connection.txt

@@ -48,12 +48,16 @@ To save a new connection from the :guilabel:`Connections` page:
       a. In :guilabel:`MongoDB connection string (URI)`, enter
          your :manual:`MongoDB URI </reference/connection-string>`.
 
+         If you're using :ref:`X.509 authentication <rm-x509-auth>`, Relational
+         Migrator verifies the connection string syntax and the certificate file format.
+
       #. If it isn't included in the connection string, enter the
          :guilabel:`Database` to connect to.
 
-      #. If they aren't included in the connection string, enter the 
-         :guilabel:`Username` and :guilabel:`Password` of your
-         :ref:`Relational Migrator MongoDB user <rm-mongodb-service-user>`.
+      #. If they aren't included in the connection string and you aren't using
+         X.509 authentication, enter the :guilabel:`Username` and
+         :guilabel:`Password` of your :ref:`Relational Migrator MongoDB user
+         <rm-mongodb-service-user>`.
 
          Checking :guilabel:`Save password` saves the password securely
          on your machine, so you don't have to enter the :guilabel:`Username`

source/includes/steps-create-mongodb-connection-short.rst

@@ -5,12 +5,17 @@ a. Enter the MongoDB connection string.
    a. In :guilabel:`MongoDB connection string (URI)`, enter
       your :manual:`MongoDB URI </reference/connection-string>`.
 
+      If you're using :ref:`X.509 authentication <rm-x509-auth>`, Relational
+      Migrator verifies the connection string syntax and the certificate file 
+      format.
+
    #. If it isn't included in the connection string, enter the
       :guilabel:`Database` to connect to.
 
-   #. If they aren't included in the connection string, enter the 
-      :guilabel:`Username` and :guilabel:`Password` of your
-      :ref:`Relational Migrator MongoDB user <rm-mongodb-service-user>`.
+   #. If they aren't included in the connection string and you aren't using
+      X.509 authentication, enter the :guilabel:`Username` and
+      :guilabel:`Password` of your :ref:`Relational Migrator MongoDB user
+      <rm-mongodb-service-user>`.
 
 #. Enter a :guilabel:`Connection name` and optional :guilabel:`Environment tag`.