Someone tried to correct Mark Hamill’s grammar on Twitter and his response was perfect

"Welcome to grammar class kids."

We all know the type, the person who believes proper grammar must be adhered to at all times, by everyone. But a grammar nerd should really know the difference between there, their and they're - words that sound the same, but mean very different things.

One Twitter user thought he spotted a mishap, posted by Star Wars legend Mark Hamill last week.

It all started when the actor shared a photo of himself with Last Jedi co-star Kelly Marie Tran, praising her performance in the film:

Someone on the lookout for a grammar error responded.

But the Jedi master turned grammar master shut him down immediately.

The Force is strong with this one.

HT Boredpanda