date on this marriage record

I don't know how but I erased the year of this marriage dispensation record and can't remember how I got into them, can someone share the link?
thank you.. Linda Castanon-Long

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marriage dispensation from la Sagrada Mitra 8 Sept 17 in Jerez, Zac
Joseph Ballejo Espanol from Mexico City now in Jerez
parents: Don Geronimo Ballejo and Dona Lucia Villanueba
widower of Melchora Riveros? in Zacatecas City
with: Maria Sid Caldera Espanola from Jerez
parents: Pedro Sid Caldera and Juana Rosales
witness Juan Carrillo Espanol from Jerez signed document
witness Nicolas Arias Espanol signed the document
witness Diego de Avila Espanol
witness Miguel Garcia Billarino Espanol signed document
witness Catalina Abila Espanola signed document
dispensation 2nd degree in 3rd degree
source: Sagrada Mitra dispensation 168605
page 179