diff --git a/static/js/libs/hljs.js b/static/js/libs/hljs.js
index eab12d7..ba5372e 100644
--- a/static/js/libs/hljs.js
+++ b/static/js/libs/hljs.js
@@ -9,6 +9,7 @@ window.addEventListener("load", () => {
   /* Aliases of langs */
   const aliases = {
     bash: ["fish"],
+    pascal: ["pseudocode"],
   };
   for (const lang in aliases) {
     hljs.registerAliases(aliases[lang], { languageName: lang });