--- a/docs/Writerside/topics/about.md	Wed Jan 21 22:47:18 2026 +0100
+++ b/docs/Writerside/topics/about.md	Sun Feb 08 14:22:13 2026 +0100
@@ -26,9 +26,10 @@
 
 ## Changelog
 
-### Version 4.0.1 - preview {collapsible="true"}
+### Version 4.0.1 - 2026-02-08 {collapsible="true"}
 
 * fixes compilation errors when using a C++ compiler and a high warning level
+* fixes incorrect nonnull-attribute for various list.h functions
 
 ### Version 4.0.0 - 2025-12-31 {collapsible="true"}