diff --git a/share/man/man4/smbus.4 b/share/man/man4/smbus.4
index ea032b2e90c..fd60a1620d0 100644
--- a/share/man/man4/smbus.4
+++ b/share/man/man4/smbus.4
@@ -25,14 +25,14 @@
 .\" $FreeBSD$
 .\"
 .Dd August 10, 1998
-.Dt SMBBUS 4
+.Dt SMBUS 4
 .Os FreeBSD
 .Sh NAME
 .Nm smbus
 .Nd
 System Management Bus
 .Sh SYNOPSIS
-.Cd "controller smbus"
+.Cd "controller smbus0"
 .Pp
 .Cd "device iicsmb0 at iicbus?"
 .Cd "device bktr0"