Update index.html

index.html

@@ -159,7 +159,7 @@
     document.getElementById('btn').disabled = true;
     setTimeout(function(){
         document.getElementById('btn').disabled = false;
-    }, 1); // 5000 milliseconds = 5 seconds
+    }, 7000); // 5000 milliseconds = 5 seconds
     var message = userInput.value;
     if (message.length > 1200 ) {
         alert('Message length exceeds 1200 characters!!');