I appreciate the quick response. It's not quite clear to me what you mean.
Both locations are on the certificate.
The certificate is signed by Utah County Clerk in Provo, Utah. (County of Utah in big letters at the top.)
But the statement from the Officiant includes Salt Lake City:
"I hereby certify that on the xx of xx in the year of xx in the city of Salt Lake City in said county of Salt Lake, I, the undersigned, did join in matrimony..."