DOCS-437 edit to the error message

Author: Bob Grabar

source/administration/replica-sets.txt

@@ -708,7 +708,7 @@ If you receive the following error:
 .. code-block:: javascript
 
    replSet error fatal couldn't query the local local.oplog.rs collection.  Terminating mongod after 30 seconds.
-   bad replSet oplog entry?
+   <timestamp> [rsStart] bad replSet oplog entry?
 
 Then the value for the ``ts`` field in the last oplog entry might be of
 the wrong data type. The correct data type is Timestamp.