Update index.html

index.html

@@ -46,7 +46,7 @@
     <div id="result-modal" class="modal hidden">
         <div class="modal-content">
             <p id="result-message"></p>
-            <button id="next-round-button" onclick="callDonat()>Дальше</button>
+            <button id="next-round-button" onclick="callDonat()">Дальше</button>
         </div>
     </div>
     <script src="particles.js"></script>