As long as he says Mexia correctly and knows that Guadalupe (the street in Austin) and the Guadalupe River as well as Llano Texas and Llano Estacado Winery are pronounced differently and knows how to say Miami (Texas, that is), then that's all we Texans care about.
By the way, it's
Muh-hay-uh
Guadaloop (the street)
Guadalupee (the river)
Lan-no, Tx
Yawn-oh Estacado Winery
and
Miam-uh
And if you're from Missouri, it's Mizzurah.