ok i'm a huge dummy about cooking and i have a hyperspecific cooking question that maybe a smart person here can help me with so i'm gonna tweet it out!!!

so BECAUSE i am a huge cooking dummy i ordered some meals last month from In Good Company, where local chefs make frozen versions of restaurant meals that you can heat up at home at your leisure. they've been great so far! https://www.eatigc.com 

they come in washable, reusable metal containers, and in most cases you just stick these right in the oven to bake 'em

the ones i've made so far have had fairly specific instructions about the lid, and when/if you should take it off

but, the one i was planning on making today does not! it just says to "place dish into oven". obviously at stage 5 you've got to take the lid off, if it's on, but it doesn't say to take it off so does that mean it shouldn't be on in the first place?