DOCS-15401 Fix Typo in Upgrade to 5.0 Page (#2811)

Author: ajhuh-mdb

source/release-notes/5.0-upgrade-replica-set.txt

@@ -37,7 +37,7 @@ All Members Version
 All replica set members must be running version |oldversion|. To
 upgrade a replica set from an |olderseries| and earlier, *first*
 :doc:`upgrade all members of the replica set to the latest
-5.0-series release </release-notes/5.0-upgrade-replica-set>`, and
+4.4-series release </release-notes/4.4-upgrade-replica-set>`, and
 then follow the procedure to upgrade from MongoDB |oldversion| to
 |newversion|.