--- typo3\sysext\t3editor\res\jslib\ts_codecompletion\descriptionPlugin-org.js	Tue May 29 15:08:18 2012
+++ typo3\sysext\t3editor\res\jslib\ts_codecompletion\descriptionPlugin.js	Tue Jun 12 15:48:24 2012
@@ -43,7 +43,7 @@
 		outerdiv = pluginContext.outerdiv;
 		completionBox = pluginContext.codeCompleteBox;
 		tsRef = pluginContext.tsRef;
-		descriptionBox = new Element("DIV", {"class": "t3e_descriptionBox"});
+		descriptionBox = new Element("DIV").addClassName("t3e_descriptionBox");
 		descriptionBox.hide();
 		outerdiv.appendChild(descriptionBox);
 	}