NOJIRA: fix manual oplog link (#12)

* fix link and typo

Author: Chris Cho

source/kafka-source.txt

@@ -307,8 +307,9 @@ events, and broadcast changes after any collection data is updated.
 How to Recover from An Invalid Resume Token
 -------------------------------------------
 
-If the event your Connector pauses or shuts down long enough for the Change Stream resume token
-to expire from the :manual:`MongoDB Oplog </core/replica-set-oplog/>`_, you may encounter an error
+In the event your Connector pauses or shuts down long enough for the Change
+Stream resume token to expire from the 
+:manual:`MongoDB Oplog </core/replica-set-oplog/>`, you may encounter an error
 that prevents you from starting up the Connector. If you encounter this
 condition, you must delete the topic data referenced by
 the ``offset.storage.topic`` setting if you are using Distributed Mode or the