It's fine you are saying DevOps is a subset of development and operational. But didn't mentioned its specific purpose. You gave an overview that looks like suitable for a newbie in tech. Me as a IT professional expects more from this article that what is DevOps, how DevOps works, how they different from developer and operational engineer, how DevOps plays a vital role in IT and what are pros and cons of DevOps. In future, can you please include this details. It will be helpful and may also be fulfill this article. Lastly, article is good and all the best for your future articles.