Write an opinion statement on the attached page, that is, an explanation of the revised content. If the form is changed, you don't have to explain it.
What must be submitted is to modify the replacement page and the comparison page, copy the original text, mark the modified place with a pen, that is, modify the comparison page, then make a clean replacement page to replace the original document, and make and modify the relevant pages.
At present, the review of out-of-scope amendments is very strict, and no new items can be added, so the quality of the original application documents is very important. It is recommended not to add statements that are not in the original specification. According to the current standards, it can't be determined that it is beyond the scope from the original specification and claims "directly and meaningless", and the examiner almost always looks for the original words in the original application documents.
If the utility model passes the preliminary examination, it will be authorized. Pay after the grant.