DOCS-15442 fix typo (#1345)

Author: Dave Cuthbert

source/reference/replication.txt

@@ -1,3 +1,5 @@
+.. _replication-toc:
+
 =====================
 Replication Reference
 =====================

source/tutorial/deploy-geographically-distributed-replica-set.txt

@@ -16,23 +16,23 @@ Overview
 --------
 
 This tutorial outlines the process for deploying a :term:`replica set`
-with :doc:`members in multiple locations
-</core/replica-set-architecture-geographically-distributed>`. The
-tutorial addresses three-member replica sets and five-member replica
-sets. If you have an even number of replica set members, add another
-data bearing member, if possible, to deploy an odd number of voting
-members. [#arbiter-alternative]_
+with :ref:`members in multiple locations
+<replica-set-geographical-distribution>`. The tutorial addresses
+three-member replica sets and five-member replica sets. If you have an
+even number of replica set members, add another data bearing member, if
+possible, to deploy an odd number of voting members.
+[#arbiter-alternative]_
 
 For more information on distributed replica sets, see
-:doc:`/core/replica-set-architecture-geographically-distributed`. See
-also :doc:`/core/replica-set-architectures` and see :doc:`/replication`.
+:ref:`replica-set-geographical-distribution`. See also
+:ref:`replica-set-architecture` and see :ref:`replication-toc`.
 
 .. [#arbiter-alternative]
 
    If circumstances prohibit another data bearing member and you have
    an even number of voting members, you can add an arbiter instead.
    For considerations when using an arbiter, see
-   :doc:`/core/replica-set-arbiter`.
+   :ref:`replica-set-arbiter-configuration`.
 
 Considerations
 --------------
@@ -83,7 +83,7 @@ for the three members are:
 
 - Across Two Data Centers: Two members to Site A and one member to Site
   B. If one of the members of the replica set is an arbiter
-  [#arbiter-alternative], distribute the arbiter to Site A with a
+  [#arbiter-alternative]_, distribute the arbiter to Site A with a
   data-bearing member.
 
 .. include:: /includes/note-csrs-distribution.rst