"If any sort of error is inexcusable, it's an incorrect phone number. One of the cardinal rules of copy editing is that every phone number published must be checked"

This quote by Bill Walsh stresses the value of precision when it pertains to copy modifying. He is suggesting that any sort of mistake is untenable, but an incorrect phone number is especially egregious. He is recommending that one of the most crucial guidelines of copy editing is to guarantee that all contact number released are checked and validated. This is very important since an inaccurate contact number can cause a great deal of confusion and disappointment for readers. It can likewise result in a loss of trustworthiness for the publication. By making sure that all telephone number are examined and validated, copy editors can help to make sure that readers have a positive experience with the publication.