I know this is very minor, but for the Rogue I'm making, the Expertise skills I have set for the option at level 2 are Stealth and Thieves' Tools. Before level 6 where you get the second Expertise set, the first set appears on the character sheet. But once you change the Rogue level to 6 and choose the second set of Expertise, the character sheet doesn't show what you choose for the first Expertise skills (the skill Expertise does appear on the skill list, but what was chosen for the level 2 selection doesn't appear in the features & traits list, so in my case, the 3 skills I choose for Expertise show up, but the Expertise for Thieves' Tool is not visible anywhere on the sheet). Just a bit confused about this, I know what the character's features are, but I could see how this could be confusing for someone looking into a new Rogue 6th level or above. Not major, but confusing.

It’s a known bug. You can add the Thieves’ Tools with expertise to your character sheet as a “custom skill” and even have a rollable right handy.