DOCS-246 added back a ref ID

Author: Bob Grabar

source/administration/replica-sets.txt

@@ -225,7 +225,8 @@ queries in normal operations.
 
 .. seealso:: :data:`members[n].slaveDelay`, :ref:`Replica Set Reconfiguration
    <replica-set-reconfiguration-usage>`, :ref:`replica-set-oplog-sizing`,
-   and :doc:`/tutorial/change-oplog-size`.
+   :ref:`replica-set-procedure-change-oplog-size` in this document,
+   and the :doc:`/tutorial/change-oplog-size` tutorial.
 
 .. index:: replica set members; arbiters
 .. _replica-set-arbiters:
@@ -487,6 +488,8 @@ of the member with the highest :data:`members[n].priority` setting.
    <replica-set-reconfiguration-usage>` example revolves around
    changing the priorities of the :data:`members` of a replica set.
 
+.. _replica-set-procedure-change-oplog-size:
+
 Changing Oplog Size
 ~~~~~~~~~~~~~~~~~~~
 
@@ -639,6 +642,7 @@ Possible causes of replication lag include:
   - :ref:`replica-set-write-concern`.
   - The :ref:`replica-set-oplog-sizing` topic in the :doc:`/core/replication` document.
   - The :ref:`replica-set-oplog` topic in the :doc:`/core/replication-internals` document.
+  - The :ref:`replica-set-procedure-change-oplog-size` topic this document.
   - The :doc:`/tutorial/change-oplog-size` tutorial.
 
 .. index:: pair: replica set; failover