fix: dead link in README

Author: ShellWen

README.md

@@ -2,7 +2,7 @@
 
 [![check](https://github.com/moonbitlang/core/actions/workflows/check.yml/badge.svg)](https://github.com/moonbitlang/core/actions/workflows/check.yml) [![Coverage Status](https://coveralls.io/repos/github/moonbitlang/core/badge.svg?branch=main)](https://coveralls.io/github/moonbitlang/core?branch=main)
 
-moonbitlang/core is the standard library of the [MoonBit language](https://www.moonbitlang.com/). It is released alongside the compiler. You can view the documentation for the latest official release at <https://mooncakes.io/docs/#/moonbitlang/core/>. This repository serves as the development repository.
+moonbitlang/core is the standard library of the [MoonBit language](https://www.moonbitlang.com/). It is released alongside the compiler. You can view the documentation for the latest official release at <https://mooncakes.io/docs/moonbitlang/core/>. This repository serves as the development repository.
 
 ## Current status