diff --git a/CodeCorner3.md b/CodeCorner3.md
index dc69d7c..b635404 100644
--- a/CodeCorner3.md
+++ b/CodeCorner3.md
@@ -7,7 +7,8 @@ on day three we went out of base camp eGroupware and stepped into the high field
- splitting design and layout
- - there is a dialog-editor (one part of the etemplate-app) to create the eTemplate
+ - there is no EGroupware specific dialog-editor (one part of the etemplate-app) to create the eTemplate but a EGroupware specific DTD. So any XML-Capable Editor will do.
+- <!DOCTYPE overlay PUBLIC "-//Stylite AG//eTemplate 2//EN" "http://www.egroupware.org/etemplate2.dtd">
- XSS security
- no parsing of $_POST needed
- no HTML knowledge needed