Update index.html

website/index.html

@@ -136,7 +136,7 @@ <h2>Registration</h2>
           rel="noopener noreferrer"
           href="https://forms.gle/ZAe5GzcHY5n41Lpz5"
         >Form</a>.
-        The deadline for applications is January 5, 2025. The participation in our
+        The deadline for applications is <s>January 5, 2025</s> January 31, 2025. The participation in our
         summer school is <b>free and open to everyone</b> but the registration is
         required.</p>
 
@@ -147,7 +147,7 @@ <h2>Registration</h2>
           href="https://forms.gle/PeuZyDTexkgRs9jC9"
           target="_blank"
           rel="noopener noreferrer"
-        >this form</a>.</p>
+        >this form</a> before January 5, 2025.</p>
 
       <h2>Timeline</h2>
 
@@ -293,4 +293,4 @@ <h3>Oleksandr Zaitsev</h3>
     <script src="./emails.js"></script>
     <script src="./script.js"></script>
   </body>
-</html>
+</html>