(DOCSP-30279) Fix DL center links in mms docs (#5087) (#5089)

Author: zach-carr

source/includes/options-opsmgr-ui-conf.yaml

@@ -1413,7 +1413,7 @@ description: |
 
          An |onprem| administrator must 
          :doc:`provide installers </tutorial/configure-local-mode>`
-         from the :dl:`MongoDB Download Center` and upload them
+         from the :dl:`MongoDB Download Center <ops-manager>` and upload them
          into the :setting:`Versions Directory`. |onprem| serves
          the installers to Agent hosts. The Version Manifest
          must be 

source/includes/prerequisites-onprem-upgrade.rst

@@ -36,8 +36,8 @@ If you plan to run |onprem| in :ref:`Local Mode <om-use-local-mode>`,
 download the MongoDB software to your versions library directory. The
 required software includes:
 
-- All versions of MongoDB :dl:`Community </community>` or
-  :dl:`Enterprise </enterprise>` that you want to install
+- All versions of MongoDB :dl:`Community <community>` or
+  :dl:`Enterprise <enterprise>` that you want to install
 - :db-tools:`MongoDB Tools </>`. The version of MongoDB Tools must
   match the version that the :ref:`Ops Manager release notes
   <mms-changelog>` list as compatible with your |onprem| version.