update readme

README.md

@@ -2,7 +2,7 @@
 
 A click-and-hold button is a user interface element that demands users to click on the button and maintain that click for a specific period before the associated action is executed.
 
-This simple project demonstrates how to add basic click-and-hold functionality to elements using pure Javascript.
+This project demonstrates one way to add basic click-and-hold functionality to elements using vanilla JavaScript.
 
 ## Implementation
 
@@ -12,6 +12,10 @@ Two implementations are provided:
 
 2) In [transition.js](src/js/transition.js) the animation is triggered by adding a class to the corresponding element. This starts a simple CSS transition.
 
+## Dependencies
+
+The project is written only in HTML, CSS, JavaScript.
+
 ## Use
 
 The .js files listed above explain how to add click-and-hold functionality to an element.