When Anita Márquez filled Che's mate bowl, he passed it to her without the bombilla, the metal straw; he then stirred the mate and took a drink. It's not done that way: the bombilla stays in the leaves at all times (no stirring).
San Juan, Puerto Rico, served as the setting for the Communists' triumphal entry into Havana. In one scene you can see a street identified as Calle Federico Degetau (Federico Degetau Street). Degetau was a Puerto Rican politician and writer, and therefore not someone likely to have a street named in his honor in Havana.