diff --git a/src/form/TextAreaField.js b/src/form/TextAreaField.js
index 267b40c..c9a6ff5 100644
--- a/src/form/TextAreaField.js
+++ b/src/form/TextAreaField.js
@@ -10,6 +10,7 @@ Ext.define('Proxmox.form.field.Base64TextArea', {
         width: 600,
         height: 400,
         scrollable: 'y',
+        emptyText: gettext('You can use Markdown for rich text formatting.'),
     },
 
     setValue: function(value) {