diff --git a/docs/en/core/m5stickc_plus.md b/docs/en/core/m5stickc_plus.md
index 6dad5066..89b7293e 100644
--- a/docs/en/core/m5stickc_plus.md
+++ b/docs/en/core/m5stickc_plus.md
@@ -97,6 +97,10 @@ setup()
       <td>MEMS</td>
       <td>MPU6886</td>
    </tr>
+   <tr>
+      <td>Buzzer</td>
+      <td>built-in buzzer</td>
+   </tr>
    <tr>
       <td>IR</td>
       <td>Infrared transmission </td>