Abhiram Manikanta Reddy Mallidi developed an accessibility-focused feature for the freeCodeCamp/freeCodeCamp repository, enhancing the Accessible HTML Lesson with interactive heading level structure examples. Using HTML and front end development skills, Abhiram designed and implemented interactive content that helps learners better understand semantic HTML and accessibility principles. The feature allows users to engage directly with heading structures, reinforcing best practices in accessible web development. Delivered as a complete, traceable commit, the work improved curriculum quality and user engagement without introducing bugs. This contribution demonstrated depth in accessibility and front end engineering, directly supporting freeCodeCamp’s educational and accessibility goals.