Add katex link

_data/projects.yml

@@ -3,7 +3,7 @@
   description: "Significant contributor to a new screen reader for Linux, written in the Rust programming language. Using git and collaborating with two other contributors from around the world. Using the AT-SPI standard, DBus communication, and we submit upstream library contributions."
 - name: "Simple Markdown Editor"
   link: "https://tait.tech/md/"
-  description: "A simple online (and offline) browser-based markdown editor that supports the automatic creation of accessible math (MathML). Written in Javascript with the KaTeX library."
+  description: "A simple online (and offline) browser-based markdown editor that supports the automatic creation of accessible math (MathML). Written in Javascript with the <a href=\"https://katex.org/\">KaTeX</a> library."
 - name: "Lichess"
   link: "https://github.com/ornicar/lila/pull/7772"
   description: "A patch for Lichess.org which vastly extends support for screen reader users. Written with Typescript and Scala. Lichess.org has millions of active users."