diff --git a/README.md b/README.md
index bbf6cfb..71c8445 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ A collection of awesome browser-side [JavaScript](https://developer.mozilla.org/
   * [Package Managers](#package-managers)
   * [Component management](#component-management)
   * [Loaders](#loaders)
-  * [Transpilers](#transpilers)
+  * [Transpilers](#transpilers)a
   * [Bundlers](#bundlers)
   * [Minimizers](#minimizers)
   * [Type Checkers](#type-checkers)
@@ -1037,7 +1037,9 @@ https://listjs.com
 * [Peg.js](https://github.com/pegjs/pegjs) - A simple parser generator for JavaScript that produces fast parsers with excellent error reporting. Usable from your browser, from the command line, or via JavaScript API.
 * [lune](https://github.com/ryanseys/lune) - Library to calculate the phases of the moon accurately.
 * [jsemu](https://github.com/fcambus/jsemu) - A list of emulators written in the JavaScript programming language.
-* [mapfun](https://www.npmjs.com/package/mapfun) - a mapping function to an infinite number of input elements, with options to skip certain elements and selectively apply the mapping to keys and/or values of objects.
+* [dir2tree](https://github.com/zakarialaoui10/dir2tree) - a user-friendly Node.js tool for creating organized json tree from a root directory .
+
+
 
 # Worth Reading