Updated readme

README.md

@@ -1,6 +1,8 @@
 # Cryptoicons
 
-Cryptoicons is a collection of cryptocurrency logos in SVG format that has been maintained since 2018 when I started the [cryptofonts.com](https://www.cryptofonts.com) project.
+Cryptoicons is a collection of cryptocurrency and token icons in SVG format that has been maintained since 2018 when I started the [cryptofonts.com](https://www.cryptofonts.com) project.
+
+Each icons is also available in PNG format @ 16px, 32px, 64px and 128px.
 
 If you're looking for an icons Webfont, checkout my other project [Cryptofonts](https://github.com/monzanifabio/cryptofont) on GitHub.
 
@@ -23,7 +25,7 @@ Pull requests are the best way to propose changes to the codebase. We actively w
 1. The file should only contain vectors (no png, jpg etc.).
 1. All layers should be under a unique group.
 1. The main layer group need to be named as the icon.
-1. Add your SVG to the `SVG-icons` folder.
+1. Add your SVG to the `SVG` folder.
 1. Issue that pull request!
 
 ### License