Rearrange prerequisites

Author: wiseodd

src/pages/index.astro

@@ -267,9 +267,9 @@ const sortedNews = news
             >NO</strong
           > opening for CS and DS BSc Honours Thesis (CS 4490Z, DS 4999Z) for Fall 2026. As
           a heads-up, the usual requirements for doing them with me are doing great in DS
-          3000 and CS 4451. Students must also did well in MA 1600, CA 1501, and SS 2857 (or
-          demonstrate good knowledge in these topics via an interview). Students who have
-          taken or is concurrently (seriously) taking CS 4452 or CS 4453 are preferred.
+          3000 plus either CS 4452 or CS 4453. Students must also did well in MA 1600, CA
+          1501, and SS 2857 (or demonstrate good knowledge in these topics via an interview).
+          Students who have taken or is concurrently (seriously) taking CS 4451 are preferred.
         </li>
         <li>
           I'm <strong>not taking summer students</strong> this year (2026).