Fix broken link in contributing_to_the_p5js_references.md

contributor_docs/contributing_to_the_p5js_reference.md

@@ -308,7 +308,7 @@ Finally, for every example you add, you are required to use the p5.js function `
 * </div>
 ```
 
-For more on `describe()` visit the [web accessibility contributor documentation](https://p5js.org/contributor-docs/#/web_accessibility?id=user-generated-accessible-canvas-descriptions).
+For more on `describe()` visit the [web accessibility contributor documentation](./web_accessibility/#describe).
 
 With all the above you should have most of the tools needed to write and edit p5.js reference comments. However, there are a few more specialized usage of JSDoc style reference comments that you may come across in p5.js. These are situationally useful and not something that you need often.