diff --git a/share/man/man5/src.conf.5 b/share/man/man5/src.conf.5
--- a/share/man/man5/src.conf.5
+++ b/share/man/man5/src.conf.5
@@ -1,5 +1,5 @@
 .\" DO NOT EDIT-- this file is @generated by tools/build/options/makeman.
-.Dd April 12, 2023
+.Dd April 18, 2023
 .Dt SRC.CONF 5
 .Os
 .Sh NAME
@@ -1257,6 +1257,14 @@
 .Pp
 This is a default setting on
 arm/armv6, arm/armv7, arm64/aarch64, powerpc/powerpc, powerpc/powerpc64, powerpc/powerpc64le and riscv/riscv64.
+.It Va WITH_NETLINK_SUPPORT
+Make libraries and programs use
+.Xr snl 3
+interfaces instead of rtsock and
+.Xr sysctl 3 .
+.Pp
+This is a default setting on
+amd64/amd64 and i386/i386.
 .It Va WITHOUT_NIS
 Do not build
 .Xr NIS 8