Need help ! nothing on screen no more

Hi, sorry for the silly question !
I was playing around with my new RPI+OSMC system and I went into my_OSMC and plaid with
ignore_edid and store_endid. Since then I have nothing on my screen when I boot the rpi.
How can I change them back to default values so it works again (now that I can’t see what I am doing) ?
PS : i can access via SSH

Check your /boot/config.txt

ok just did that (took me a while to understand how to do it). Now the image is back on. thanks