Guannan Wei contributed to the scala/scala-lang repository by addressing a documentation issue, specifically fixing a broken hyperlink in a blog post to ensure accurate navigation to the official Scala.js documentation. Using Markdown, Guannan identified the outdated URL and updated it to the correct https://www.scala-js.org/ address, improving the reader experience and reducing navigation errors. The work was delivered in a single, well-documented commit, reflecting attention to detail and adherence to documentation quality standards. This contribution, while focused and limited in scope, demonstrated proficiency in documentation practices and a commitment to maintaining cross-project link hygiene within the Scala ecosystem.