Newbie Consultation.

First of all excuse the translation and if it corresponds here thank you move by a moderator.
I have a professional web directory of a single niche, 300 articles each representing a local business in a city in the United States or Canada, brief description, services, photo and map of the place.
In the url, I have two keywords, but there is a long tail that has more searches and the question is if it would be penalized if I add: xx near you Miami Name of the local. Currently, I have 300 articles with: Miami Name of the place, to add this in H2 penalizes me? the search engine.
Thank you for your advice, I'm working hard, I work 8 hours out and I dedicate a lot because I want to grow based on effort and knowledge, I also invest some dollars here in the market.
Thank you

Unlikely to be penalized for something like that.

Thank you for your answer, if I add text to the title found in H2 it will not be harmful.
Thank you for your answer I don't know because I thought there might be some problem in serp