According to the provisions of Paragraph 4 of Article 51 of the Implementing Rules of the Patent Law, the examiner can make ex officio corrections to obvious errors in the application documents. Generally, no correction notice will be issued after authorization.
A correction and modification notice means that the examiner previously felt that there was redundant text in your drawings, so he revised the document ex officio, but later felt that there was no redundant text, so he issued a correction and modification notice. , there is no need to modify that part, and the previous sentence with redundant text is invalid.
You don’t need to do anything now, and you don’t need to send any documents. After paying the fee, you can just wait for the announcement and the certification. If you have any questions, call the examiner on the notice to report the application number.