Update summer-slams-dsa.html

Author: VaibhavRawat27

summer-slams-dsa.html

@@ -247,7 +247,7 @@ <h1>Summer Slams DSA25</h1>
 
     <a href="https://discord.gg/8FEwEAxrn6" class="register-btn">Join Discord Server</a><br><br>
     <!-- Place this inside your .glass-wrapper div, ideally below the round details -->
-<a href="#register" class="register-btn">Register Now</a>
+<a href="https://unstop.com/p/summer-slams-dsa25-national-level-dsa-coding-challenge-fork-flow-community-1502768" class="register-btn">Register Now</a>
 
 <style>
   .register-btn {