diff --git a/doc/repmgr-standby-switchover.sgml b/doc/repmgr-standby-switchover.sgml
index e551ce04..25ee61b7 100644
--- a/doc/repmgr-standby-switchover.sgml
+++ b/doc/repmgr-standby-switchover.sgml
@@ -23,7 +23,9 @@
     <para>
       If other standbys are connected to the demotion candidate, &repmgr; can instruct
       these to follow the new primary if the option <literal>--siblings-follow</literal>
-      is specified.
+      is specified. This requires a passwordless SSH connection between the promotion
+      candidate (new primary) and the standbys attached to the demotion candidate
+      (existing primary).
     </para>
     <note>
       <para>
diff --git a/doc/switchover.sgml b/doc/switchover.sgml
index 83a3396f..18a235a9 100644
--- a/doc/switchover.sgml
+++ b/doc/switchover.sgml
@@ -60,6 +60,13 @@
     &repmgr;  being able to shut down the current primary server quickly and cleanly.
    </para>
 
+   <para>
+     Ensure that a passwordless SSH connection is possible from the promotion candidate
+     (standby) to the demotion candidate (current primary). If <literal>--siblings-follow</literal>
+     will be used, ensure that passwordless SSH connections are possible from the
+     promotion candidate to all standbys attached to the demotion candidate.
+   </para>
+
    <para>
     Double-check which commands will be used to stop/start/restart the current
     primary; on the primary execute: