diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index e0c34bd9318..0cbda5469ca 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 11, 2013
+.Dd October 23, 2021
 .Dt IOCTL 2
 .Os
 .Sh NAME
@@ -114,6 +114,9 @@ The
 system call
 will fail if:
 .Bl -tag -width Er
+.It Bq Er EACCES
+Permission denied.
+The process does not have permission to call this ioctl.
 .It Bq Er EBADF
 The
 .Fa fd