I wasn't actually looking for this, but stumbled across it while reviewing /etc/rc.
Rob Index: rc =================================================================== RCS file: /cvs/src/etc/rc,v retrieving revision 1.486 diff -u -p -r1.486 rc --- rc 10 Jul 2016 09:08:18 -0000 1.486 +++ rc 5 Sep 2016 14:54:47 -0000 @@ -262,7 +262,7 @@ do_fsck() { stty status '^T' # Set shell to ignore SIGINT (2), but not children; shell catches SIGQUIT (3) -# and returns to single user after fsck. +# and returns to single-user mode after fsck. trap : 2 trap : 3 # Shouldn't be needed. @@ -289,9 +289,9 @@ if [[ $1 == shutdown ]]; then echo warning: cannot write random seed to disk fi - # If we are in secure level 0, assume single user mode. + # If we are in secure level 0, assume single-user mode. if (($(sysctl -n kern.securelevel) == 0)); then - echo 'single user: not running shutdown scripts' + echo 'single-user mode: not running shutdown scripts' else pkg_scripts=${pkg_scripts%%*( )} if [[ -n $pkg_scripts ]]; then