chore: update readme

README.md

@@ -1,11 +1,11 @@
 # <img src="./public/logo.svg" /> AST Explorer
 
-AST Explorer - For most popular front-end languages and parsers.
+AST Explorer - A web tool to explore the ASTs generated by front-end parsers.
 
 - Stable Release: [ast.sxzz.moe](https://ast.sxzz.moe/)
 - Dev Channel: [ast-explorer.vercel.app](https://ast-explorer.vercel.app/)
 
-Feel free to add more parsers and languages via PR!
+Feel free to add more languages and parsers via PR!
 
 <div align="center">
   <img alt="Screenshot" src="./.github/screenshot.png" width="800px" />
@@ -23,7 +23,7 @@ Feel free to add more parsers and languages via PR!
 
 ## Contributing
 
-To contribute to the project, please visit https://github.com/sxzz/contribute for more information.
+To contribute to the project, see [Contribution Guide](https://github.com/sxzz/contribute).
 
 ## Credits