typo fix (#5136)

Author: kyuan-mongodb

source/release-notes/changelogs/ops-manager/changelog-onprem-v6.0.rst

@@ -121,7 +121,7 @@
 - The {+mdbagent+} now compresses its own rotated logs.
 - Fixes an issue where sharded collections could be missing from the chunks dropdown for the backing cluster in the UI.
 - Fixes an issue where clicking the refresh button in the :guilabel:`Backup Job Timeline` UI resulted in a failure.
-- Includes the lastest version of MongoDB Shell 1.6.2.
+- Includes the latest version of MongoDB Shell 1.6.2.
 - Compatible with :db-tools:`MongoDB Database Tools 100.6.1
   </release-notes/database-tools-changelog/#100.6.1-changelog>`.