diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index b5718fc136..967de73596 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -4001,6 +4001,17 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"'  # Windows
          to <literal>replica</literal> or higher to allow replication slots to
          be used.
         </para>
+
+        <para>
+         On the subscriber side, specifies how many replication origins (see
+         <xref linkend="replication-origins"/>) can be tracked simultaneously,
+         effectively limiting how many logical replication subscriptions can
+         be created on the server. Setting it a lower value than the current
+         number of tracked replication origins (reflected in
+         <link linkend="view-pg-replication-origin-status">pg_replication_origin_status</link>,
+         not <link linkend="catalog-pg-replication-origin">pg_replication_origin</link>)
+         will prevent the server from starting.
+        </para>
        </listitem>
       </varlistentry>
 
diff --git a/doc/src/sgml/logical-replication.sgml b/doc/src/sgml/logical-replication.sgml
index 9cd3f3fbb3..e95d446dac 100644
--- a/doc/src/sgml/logical-replication.sgml
+++ b/doc/src/sgml/logical-replication.sgml
@@ -603,11 +603,12 @@
 
   <para>
    The subscriber also requires the <varname>max_replication_slots</varname>
-   to be set.  In this case it should be set to at least the number of
-   subscriptions that will be added to the subscriber, plus some reserve for
-   table synchronization.  <varname>max_logical_replication_workers</varname>
-   must be set to at least the number of subscriptions, again plus some reserve
-   for the table synchronization.  Additionally the <varname>max_worker_processes</varname>
+   be set to configure how many replication origins can be tracked.  In this
+   case it should be set to at least the number of subscriptions that will be
+   added to the subscriber, plus some reserve for table synchronization.
+   <varname>max_logical_replication_workers</varname> must be set to at least
+   the number of subscriptions, again plus some reserve for the table
+   synchronization.  Additionally the <varname>max_worker_processes</varname>
    may need to be adjusted to accommodate for replication workers, at least
    (<varname>max_logical_replication_workers</varname>
    + <literal>1</literal>).  Note that some extensions and parallel queries