Resolve "Error correction in emerald guide"

{% include alerts/tip.html content="If your device is not detect by fastboot, try to use `sudo fastboot` instead"%}

## Locking the Bootloader

 Once you have completed the above steps  and before rebooting you can and should lock your Bootloader. 

 Once you have completed the above steps  and before rebooting you can lock your Bootloader. 

1. Boot your device into bootloader if not already there, and plug it to your computer

1. Lock the device with the following command

   - `fastboot flashing lock`

   - Approve with  `Voume up`

   - Approve with  `Volume up`

1. Reboot with `fastboot reboot`

{% include alerts/success.html content= "Congratulations !! Your phone should now be booting into /e/OS !! "%}