diff --git a/src/panel/InputPanel.js b/src/panel/InputPanel.js
index 67f7352..a9c7263 100644
--- a/src/panel/InputPanel.js
+++ b/src/panel/InputPanel.js
@@ -76,6 +76,20 @@ Ext.define('Proxmox.panel.InputPanel', {
 	});
     },
 
+    /**
+     *  inputpanel, vbox
+     * +---------------------------------------------------------------------+
+     * |                             columnT                                 |
+     * +---------------------------------------------------------------------+
+     * |                          container, hbox                            |
+     * |  +---------------+---------------+---------------+---------------+  |
+     * |  |    column1    |    column2    |    column3    |    column4    |  |
+     * |  | panel, anchor | panel, anchor | panel, anchor | panel, anchor |  |
+     * |  +---------------+---------------+---------------+---------------+  |
+     * +---------------------------------------------------------------------+
+     * |                             columnB                                 |
+     * +---------------------------------------------------------------------+
+     */
     initComponent: function() {
 	let me = this;