diff --git a/vsbm.html b/vsbm.html
index 0197243..bc618b3 100644
--- a/vsbm.html
+++ b/vsbm.html
@@ -45,7 +45,7 @@
         <textarea name="" id="kernel" cols="30" rows="10"></textarea>
         <br />
         <button id="apply">APPLY</button>
-        <button id="cancle">CANCLE</button>
+        <button id="cancle">CANCEL</button>
     </div>
     <script>
 alert("trigonometric and inverse trigonometric functions test.\ncreated by cznull@bilibili");