Keep capitalization consistent in the article's title
Replaced "be able to know" with "become comfortable" to tighten up wording
Replaced "However, they" with "Furthermore, these guides"
Replaced "it" with "the C language"
Replaced "Mac" with "MacOS"
* added " C programming ressources link"
This links to TutorialsPoint which is a good ressource for most of the programming languages
* Added "Unordered list for the tutorial element"