minor: fixing self referential link

Author: Sam Kleinman

source/core/replication.txt

@@ -140,7 +140,7 @@ should be :ref:`hidden <replica-set-hidden-members>` to prevent your
 application from seeing or querying this member.
 
 .. see:: The section on :ref:`configuring a delayed member
-   <replica-set-delayed-members>` for the procedure to implement this
+   <replica-set-delayed-configuration>` for the procedure to implement this
    configuration.
 
 .. index:: replica set members; arbiters