[landing] address discord comparison touch ups

Summary:
resolves the following discord comparison copy touch up:

https://linear.app/comm/issue/ENG-4626/discord-comparison

Depends on D8788

Test Plan:
Please see screenshots:

Reviewers: atul, kamil, ashoat

Reviewed By: ashoat

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D8792