diff --git a/examples/05_IoT_beebot_rc_car/remote.h b/examples/05_IoT_beebot_rc_car/remote.h
index b4a60cf..b83b859 100644
--- a/examples/05_IoT_beebot_rc_car/remote.h
+++ b/examples/05_IoT_beebot_rc_car/remote.h
@@ -261,8 +261,8 @@ window.onload = init;
 <button id="wc_push" type="button" onclick="wc_onclicklights();">LIGHTS</button>
 <br>
 <h style="font-size:17px; color:blue">POLARITY</h>
-<button id="wc_revm12" type="button" onclick="wc_onclickrevm12();">ReverseM1</button>
-<button id="wc_revm34" type="button" onclick="wc_onclickrevm34();">ReverseM2</button>
+<button id="wc_revm12" type="button" onclick="wc_onclickrevm12();">ReverseM12</button>
+<button id="wc_revm34" type="button" onclick="wc_onclickrevm34();">ReverseM34</button>
 <br>
 <br>
 <div class="sponsor">Sponsored by <a href="https://buildybee.github.io/">Buidybee</a></div>