diff --git a/usr.sbin/acpi/acpidump/acpidump.8 b/usr.sbin/acpi/acpidump/acpidump.8
index 299d6febdc3e..4363c6b58b7e 100644
--- a/usr.sbin/acpi/acpidump/acpidump.8
+++ b/usr.sbin/acpi/acpidump/acpidump.8
@@ -147,7 +147,7 @@ and then interprets the DSDT again referring to namespace.
 .Xr acpiconf 8 ,
 .Xr amldb 8
 .Pp
-.Dq Advanced Configuration and Power Interfce Specification
+.Dq Advanced Configuration and Power Interface Specification
 .Bd -literal -offset indent -compact
 Intel
 Microsoft