TL-WR710N with ROOter: wifi password

Hello I installed OpenWRT I would like to connect to wifi but it asks me for a wifi password, I cannot find it in the doc
https://ofmodemsandmen.com/firmware.html

Your post does not appear to be related to an officially released OpenWrt version, package or supported operation.

It is unlikely that you will receive useful input here.

Please seek advise from the relevant maintainer.