i noticed it aswell and my proofreader is always mention about this issue everytime the thing is both my writer and proofreader are very busý individual, especially my proofreader he is been away since january update release due to serve his country and i had no idea either when he gonna make comeback, but if he do, things are gonna be better.
I dont think there is much to be sorry for on your end, so dont feel too bad it. English is a difficult language to grasp and you probably have your hands full with many other aspects of this game. I just expect proofreaders to catch and fix many of the simpler errors without needing much time and effort to do so. I do like this game, so i hope that they can make the time to help you out. ^^