Update README.md

Author: syedamir5560

README.md

@@ -14,6 +14,10 @@ Feel free to explore the content and use these notes to enhance your understandi
 6) [Control flow](https://github.com/syedamir5560/JavaScript-Notes/blob/main/control-flow.js)
 7) [Loops](https://github.com/syedamir5560/JavaScript-Notes/blob/main/loops.js)
 8) [Functions](https://github.com/syedamir5560/JavaScript-Notes/blob/main/functions.js)
-9) [Advance-Functions](https://github.com/syedamir5560/JavaScript-Notes/blob/main/Advance-function.js)
-10) [Objects](https://github.com/syedamir5560/JavaScript-Notes/blob/main/loops.js)
-11) [This keyword](https://github.com/syedamir5560/JavaScript-Notes/blob/main/thisKeyword.js)
+9) [Objects](https://github.com/syedamir5560/JavaScript-Notes/blob/main/loops.js)
+10) [This keyword](https://github.com/syedamir5560/JavaScript-Notes/blob/main/thisKeyword.js)
+
+## Advance Concept
+
+1) [Advance-Functions](https://github.com/syedamir5560/JavaScript-Notes/blob/main/Advance-function.js)
+2)