diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index ded30e3..cb42257 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -1,4 +1,4 @@
-*usr_41.txt*	For Vim version 9.1.  Last change: 2025 Jan 02
+*usr_41.txt*	For Vim version 9.1.  Last change: 2025 Jan 14
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -801,6 +801,8 @@
 	trim()			trim characters from a string
 	bindtextdomain()	set message lookup translation base path
 	gettext()		lookup message translation
+	str2blob()		convert a string into a blob
+	blob2str()		convert a blob into a string
 
 List manipulation:					*list-functions*
 	get()			get an item without error for wrong index