Okay kiddo, so you know how some people have really important titles like king or queen? Well, the Prince of Wales is a title that belongs to the son of the King or Queen of England. Right now, Prince Charles is the Prince of Wales because his mom is the Queen.
But some people don't think Prince Charles should be the Prince of Wales anymore. They think that when he becomes king (if he becomes king), he should give up the Prince of Wales title and let someone else have it.
This is because some people don't think Prince Charles is a good enough prince. They don't like some of the things he has done or said in the past, and they think he might not do a good job as king. So they want to take away his title to show that they don't support him.
But it's not up to those people to decide if Prince Charles should keep his title or not. That's something only the Queen can decide. And right now, she seems to be okay with him being the Prince of Wales. So unless something changes, Prince Charles will probably stay the Prince of Wales for a while longer.