diff --git a/share/man/man4/umb.4 b/share/man/man4/umb.4
--- a/share/man/man4/umb.4
+++ b/share/man/man4/umb.4
@@ -17,12 +17,12 @@
 .\"
 .\" $NetBSD: umb.4,v 1.4 2019/08/30 09:22:17 wiz Exp $
 .\"
-.Dd August 24, 2019
+.Dd May 11, 2025
 .Dt UMB 4
 .Os
 .Sh NAME
 .Nm umb
-.Nd USB Mobile Broadband Interface Model (MBIM)
+.Nd USB Mobile Broadband Interface Model (MBIM) cellular modem driver
 .Sh SYNOPSIS
 To compile this driver into the kernel,
 place the following lines in your