FIX : HTML Closing Brackets

[ManishBisht777]

Closes #770

🛠️ Fixes Issue

• fix redundant tags
• closed the tag which are not closed
• formatted the document

👨‍💻 Changes proposed

✔️ Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

📷 Screenshots