s/Setup/Set up

dev-server/static/scripts/index.js

@@ -23,7 +23,7 @@
     }
   };
 
-  // Setup document links whose URLs have a randomly generated suffix parameter.
+  // Set up links whose URLs should have a randomly generated suffix.
   const randomizedLinks = Array.from(document.querySelectorAll('.js-randomize-url'));
   for (let link of randomizedLinks) {
     const randomizeUrl = () => {