5.3 documentation missing page ik-rig-in-animation-blueprints-in-unreal-engine

this page in the docs is missing:
https://docs.unrealengine.com/5.1/en-US/ik-rig-in-animation-blueprints-in-unreal-engine

((Im sorry but I find this whole forum so confusingly laid out, with hard to read fonts (ARIEL it looks like) that I cant find the correct place to report this. y’know they use serif fonts for readibility right?))

is it possible to change the default font for this site?