diff --git a/xml/ha_cluster_lvm.xml b/xml/ha_cluster_lvm.xml
index 0f6a5364..98a4a2c9 100644
--- a/xml/ha_cluster_lvm.xml
+++ b/xml/ha_cluster_lvm.xml
@@ -61,9 +61,13 @@
       to protect the LVM metadata on shared storage. From &sle; 15 onward, the
       cluster extension uses lvmlockd, which replaces
       clvmd. For more information about lvmlockd, see the man page of the
-      <command>lvmlockd</command> command (<command>man 8
-      lvmlockd</command>).
+      <command>lvmlockd</command> command (<command>man 8 lvmlockd</command>).
      </para>
+     <important role="compact">
+      <para>
+        lvmlockd with sanlock is not officially supported.
+      </para>
+    </important>
     </listitem>
    </varlistentry>
    <varlistentry>