Tweak to existing wordpress site

General information for the website: wordpress tweak
Kind of development: Customization of existing website
Description of requirements/features: http://www.pickme.ch

I want users to be able to use the reset password link - however the site restriction plugin i am using blocks it. I see in the FAQ there is some code i can add to the functions, but not sure how to target specific pages from that example.

https://en-gb.wordpress.org/plugins/restricted-site-access/faq/

https://wordpress.org/support/topic/allow-access-to-lost-password-page-using-tml
https://wordpress.org/support/topic/how-to-exclude-a-page
https://wordpress.org/support/topic/excluding-a-page-what-am-i-doing-wrong
Extra services needed: Customization
Extra notes: