Add comments for buttons

Author: lulunac27a

index.html

@@ -12,8 +12,17 @@ <h1>Current Date and Time Progress</h1>
         <p>
             Current date and time (UTC): <span id="currentDateTimeUtc"></span>
         </p>
-        <button id="updateLocalDateTime">Update Local Date and Time</button>
-        <button id="updateUtcDateTime">Update UTC Date and Time</button>
+        <!--button to update current date and time--><button
+            id="updateDateTime"
+        >
+            Update Date and Time</button
+        ><button id="updateLocalDateTime">Update Local Date and Time</button>
+        <!--button to update current date and time in UTC--><button
+            id="updateUtcDateTime"
+        >
+            Update UTC Date and Time
+        </button>
+        <!--current progress-->
         <p>Current progress: <br /><span id="currentProgress"></span></p>
         <!--current year progress bar-->
         <p>