diff --git a/pvecm.adoc b/pvecm.adoc
index 8309647..ac4e92f 100644
--- a/pvecm.adoc
+++ b/pvecm.adoc
@@ -1132,6 +1132,13 @@ For this to work, there are two services involved:
 As a result, you can achieve higher availability, even in smaller setups (for
 example 2+1 nodes).
 
+NOTE: The server running the external vote daemon must not be part of the
+cluster in any form. Do not run the daemon on a node of the same cluster, nor
+in a virtual machine or container on it. Otherwise, if the node running the
+daemon fails, the cluster loses the vote of this node and the one of the
+QDevice at the same time. Also, a guest running the daemon cannot be started
+while the cluster is not quorate.
+
 QDevice Technical Overview
 ~~~~~~~~~~~~~~~~~~~~~~~~~~