popular-drink-invented-by-deaf

The Margarita is one of the most popular drinks
in USA, not just at Mexican restaurants but at many
other restaurants.

 
Did the deaf person invent Margarita? A tale of
many, many years ago is about a deaf bartender.
He was mixing drinks but misunderstood an order
from a bar patron and accidentally mixed up wrong
ingredients. The hearing bar patron loved it so much
that the word “margarita” was invented.

 
True or false?