Communication - Do you use correct English at work?
Communication and how you express yourself to your co-workers and clients is reflective of the company you work for. You should practice correct English, as it displays your professionalism and courtesy.
"It's going good" Bad Example - using incorrect English "It's going well" Good Example - using correct English
Check out this video which highlights 5 common mistakes made by native english speakers:
If you feel very strongly about this, you could enforce 10 pushups per infraction, similar to the penalty for swearing