Fix section

Patterns-2024-buy.html

@@ -216,7 +216,7 @@ <h2>📖 Course structure: <a href="https://github.com/HowProgrammingWorks/Index
   </p>
 </div>
 
-section>
+<section>
   <h2>Uniqueness of the course</h2>
   <p>From the author of the first course on asynchronous programming, created 15 years ago in KPI University. Over these 15 years, a lot of experience, feedback, practice have been collected and the course has been released and revised almost every year.</p>
 </section>