Update teacher_version.html

teacher_version.html

@@ -265,7 +265,7 @@
             doors[revealedDoor].style.pointerEvents = "none";
 
             document.getElementById("message").innerHTML = 
-                `你選了門 ${playerChoice + 1}，主持人開啟了門 ${revealedDoor + 1}，後面是一顆糖果。<br>你要換門嗎？`;
+                `你選了門 ${playerChoice + 1}，主持人開啟了門 ${revealedDoor + 1}，後面是糖果。<br>你要換門嗎？`;
             document.getElementById("switch-choice").style.display = "block";
 
             for (let i = 0; i < doors.length; i++) {