diff --git a/runtime/doc/vim9class.txt b/runtime/doc/vim9class.txt
index 9aab6c7..5e5c28e 100644
--- a/runtime/doc/vim9class.txt
+++ b/runtime/doc/vim9class.txt
@@ -1,4 +1,4 @@
-*vim9class.txt*	For Vim version 9.1.  Last change: 2024 Dec 29
+*vim9class.txt*	For Vim version 9.1.  Last change: 2025 Feb 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -272,6 +272,9 @@
 When defining the new() method the return type should not be specified.  It
 always returns an object of the class.
 
+The new() method can be made a protected method by using "_new()".  This can
+be used to support the singleton design pattern.
+
 							*E1386*
 When invoking an object method, the method name should be preceded by the
 object variable name.  An object method cannot be invoked using the class