Yes, checking code on GitHub is enough to cite. GitHub is an open source platform that allows developers to share their code with the world. This makes it easier for developers to collaborate and share their work. By checking the code on GitHub, you can ensure that you are citing the correct source and giving proper credit to the developer. Additionally, you can also view the license associated with the code, ensuring that you are following the terms of use. Citing code from GitHub is a great way to ensure accuracy and give credit to the developers who have contributed to a project.