Thanks in part to celebrities like Caitlyn Jenner and Laverne Cox, transgender issues are finally getting some of the attention they deserve. But with this shift in focus comes some unintentional ignorance that can be offensive.

Funny or Die is here to save the day by creating a video that both entertains and schools us in the proper trans terminology and grammar.

Mad Men‘s Jared Harris comically steps in on a cisgender couple's breakfast conversation to help educate them on how to best speak about Caitlyn Jenner without being insulting.

Enjoy the "lesson in lexicology" below.