Update readme.md

Author: ushelp

readme.md

@@ -28,7 +28,7 @@ A QRCode component for React Native. Support Dot style, Logo, Background image,
 | Project | Support |
 | --- | --- |
 | [EasyQRCodeJS](https://github.com/ushelp/EasyQRCodeJS) | **Running with DOM on CLIENT-SIDE .** Browser(IE6+, Chrome, Firefox, Safari, Opera, Mobile Safari, Android, Windows Mobile, ETC.), Electron, NW.js, ETC.  |
-| [EasyQRCodeJS-NodeJS](https://github.com/ushelp/EasyQRCodeJS-NodeJS) | **Running without DOM on SERVER-SIDE**. Save image to file or get data url text.  NodeJS, Electron, NW.js, ETC.|
+| [EasyQRCodeJS-NodeJS](https://github.com/ushelp/EasyQRCodeJS-NodeJS) | **Running without DOM on SERVER-SIDE**. Save image to file(PNG/JPEG/SVG) or get data url text.  NodeJS, Electron, NW.js, ETC.|
 | [EasyQRCode-React-Native](https://github.com/ushelp/EasyQRCode-React-Native) | **A QRCode generator for React Native**. Generate QRCode image or get base64 data url text. |