diff --git a/pve-gui.adoc b/pve-gui.adoc
index 24dcb47..d9baf6a 100644
--- a/pve-gui.adoc
+++ b/pve-gui.adoc
@@ -267,7 +267,7 @@ The top header has useful buttons such as 'Reboot', 'Shutdown', 'Shell',
 
 * *Summary:* display a brief overview of the node's resource usage.
 
-* *Notes:* write custom notes about a node.
+* *Notes:* write custom notes in Markdown syntax about a node.
 
 * *Shell:* access to a shell interface for the node.
 
@@ -314,7 +314,8 @@ the menu on the left.
 
 The available interfaces are as follows.
 
-* *Summary:* provides a brief overview of the VM's activity.
+* *Summary:* provides a brief overview of the VM's activity and a `Notes` field
+  for Markdown formatted comments.
 
 * *Console:* access to an interactive console for the VM/container.