runtime(doc): list of new/changed features in version9.txt

closes: #13753

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/vim9class.txt b/runtime/doc/vim9class.txt
index c1ebce4..d0225ae 100644
--- a/runtime/doc/vim9class.txt
+++ b/runtime/doc/vim9class.txt
@@ -1,13 +1,10 @@
-*vim9class.txt*	For Vim version 9.0.  Last change: 2023 Dec 14
+*vim9class.txt*	For Vim version 9.0.  Last change: 2023 Dec 24
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
 
 
-NOTE - This is not finished yet, anything can still change! - NOTE
-
-
-Vim9 classes, objects, interfaces, types and enums.
+Vim9 classes, objects, interfaces, types and enums.		*vim9-class*
 
 1.  Overview			|Vim9-class-overview|
 2.  A simple class		|Vim9-simple-class|