diff --git a/include/irrXML.h b/include/irrXML.h
index 6d6ae01b..ab1055ef 100644
--- a/include/irrXML.h
+++ b/include/irrXML.h
@@ -201,7 +201,7 @@ namespace io
 		//! An xml cdata section like <![CDATA[ this is some CDATA ]]>
 		EXN_CDATA,
 
-		//! Unknown element.
+		//! Unknown element. Also xml headers nodes (which currently also don't read attributes)
 		EXN_UNKNOWN
 	};