Not at all. This project is crowd sourced and relies solely on the goodwill of its volunteers. Some of the handwriting in some of the registers is frankly terrible. In this case, simply record the fact in the note and do your best. It may be possible in the future to get all the entries double-checked at which point any corrections can be made. It is also intended to give searchers the ability to report an error so the record can be re-checked or enhanced baed on other information that a descendant may have.
Do I need to be an expert?
Catholic Witness Index (CWI)