Update link in documentation_style_guide.mdx

Author: Qianqianye

src/content/contributor-docs/en/documentation_style_guide.mdx

@@ -58,7 +58,7 @@ We use YUIDoc to generate the p5.js API documentation. To generate the docs, nav
 $ npm run grunt yui:dev
 ```
 
-The output will appear in docs/reference. Refer to the [inline documentation guide](https://github.com/processing/p5.js/blob/main/contributor_docs/contributing_to_the_p5.js_reference/) for more information.
+The output will appear in docs/reference. Refer to the [inline documentation guide](https://p5js.org/contribute/contributing_to_the_p5js_reference) for more information.
 
 **[⬆ back to top](#table-of-contents)**