Matrimonio de Juan Antonio Ruiz y Maria Josefa Ysaguirre

I cannot locate the record for the marriage of Juan Antonio Ruiz and Maria Josefa Ysaguirre. It was 2 September 1798 in Rio Verde, San Luis Potosi. There is 1 record for that date, but it is not for these two. I am sure it is in this book (709241) somewhere, but I can't find it. Any help will be apprectiated! Here is the record for the date: https://familysearch.org/ark:/61903/3:1:33SQ-GGGQ-S6P?i=444&cc=1860864