The transition from xdm to xenodm is not reflected in afterboot(8).
Jan
Index: share/man/man8/afterboot.8
===================================================================
RCS file: /cvs/src/share/man/man8/afterboot.8,v
retrieving revision 1.157
diff -u -p -u -p -r1.157 afterboot.8
--- share/man/man8/afterboot.8 5 Sep 2016 12:58:17 -0000 1.157
+++ share/man/man8/afterboot.8 1 Mar 2017 14:04:38 -0000
@@ -420,10 +420,10 @@ and
.Xr rc.shutdown 8 .
.Pp
If you've installed X, you may want to turn on
-.Xr xdm 1 ,
+.Xr xenodm 1 ,
the X Display Manager.
To do this, change the value of
-.Va xdm_flags
+.Va xenodm_flags
in
.Pa /etc/rc.conf.local .
.Ss Set keyboard type