There's a few solutions you can try but take note truncating strings with html is generally a bad idea due to having potential unclosed or malformed tags.
Trying to figure out how to hide revision information from node form. When users create a node, they see revision info at the bottom which confuses them. I can't seem to disable revision info from the content type edit settings since there are nodes already. So the only solution is to hide it. The way that I am going is by trying to add this: