Docs: fix example code Thanks to Tom for spotting this and fixing the example
Docs: fix example code
Thanks to Tom for spotting this and fixing the example

Signed-off-by: John Thornton <601166b5efca3d35ab1942428a84fb6f8bcae6cc@gnipsel.com>

narogon/linuxcnc,Cid427/machinekit,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,unseenlaser/machinekit,bobvanderlinden/machinekit,kinsamanka/machinekit,ArcEye/machinekit-testing,EqAfrica/machinekit,araisrobo/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/MachineKit,strahlex/machinekit,bobvanderlinden/machinekit,unseenlaser/linuxcnc,cdsteinkuehler/linuxcnc,ArcEye/MK-Qt5,araisrobo/machinekit,cdsteinkuehler/linuxcnc,ikcalB/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,RunningLight/machinekit,bmwiedemann/linuxcnc-mirror,aschiffler/linuxcnc,cdsteinkuehler/MachineKit,mhaberler/machinekit,strahlex/machinekit,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,mhaberler/machinekit,cdsteinkuehler/linuxcnc,ikcalB/linuxcnc-mirror,mhaberler/machinekit,bobvanderlinden/machinekit,aschiffler/linuxcnc,aschiffler/linuxcnc,cdsteinkuehler/MachineKit,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,unseenlaser/linuxcnc,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,ArcEye/machinekit-testing,bobvanderlinden/machinekit,kinsamanka/machinekit,araisrobo/machinekit,cdsteinkuehler/linuxcnc,kinsamanka/machinekit,RunningLight/machinekit,EqAfrica/machinekit,kinsamanka/machinekit,mhaberler/machinekit,narogon/linuxcnc,cdsteinkuehler/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,narogon/linuxcnc,EqAfrica/machinekit,Cid427/machinekit,jaguarcat79/ILC-with-LinuxCNC,RunningLight/machinekit,Cid427/machinekit,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,unseenlaser/machinekit,ikcalB/linuxcnc-mirror,mhaberler/machinekit,bmwiedemann/linuxcnc-mirror,strahlex/machinekit,ArcEye/MK-Qt5,bmwiedemann/linuxcnc-mirror,ArcEye/machinekit-testing,aschiffler/linuxcnc,ArcEye/MK-Qt5,araisrobo/machinekit,ArcEye/machinekit-testing,araisrobo/machinekit,Cid427/machinekit,ArcEye/MK-Qt5,EqAfrica/machinekit,mhaberler/machinekit,kinsamanka/machinekit,unseenlaser/machinekit,ikcalB/linuxcnc-mirror,cdsteinkuehler/MachineKit,bmwiedemann/linuxcnc-mirror,narogon/linuxcnc,araisrobo/machinekit,jaguarcat79/ILC-with-LinuxCNC,ArcEye/MK-Qt5,unseenlaser/machinekit,cdsteinkuehler/MachineKit,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,Cid427/machinekit,kinsamanka/machinekit,araisrobo/machinekit,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,unseenlaser/machinekit,bobvanderlinden/machinekit,EqAfrica/machinekit,narogon/linuxcnc,RunningLight/machinekit,unseenlaser/machinekit,Cid427/machinekit,ArcEye/MK-Qt5,strahlex/machinekit,Cid427/machinekit,mhaberler/machinekit,EqAfrica/machinekit,strahlex/machinekit,unseenlaser/linuxcnc,unseenlaser/machinekit,mhaberler/machinekit,aschiffler/linuxcnc,ArcEye/MK-Qt5,ArcEye/machinekit-testing,cdsteinkuehler/linuxcnc,EqAfrica/machinekit,RunningLight/machinekit,araisrobo/machinekit,EqAfrica/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,ArcEye/MK-Qt5,strahlex/machinekit,strahlex/machinekit,araisrobo/machinekit,unseenlaser/machinekit,RunningLight/machinekit,bobvanderlinden/machinekit