diff --git a/docs/index.html b/docs/index.html
index 7033cfa..090b87e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -302,7 +302,7 @@ <h2 class="mt-0">AT commands set</h2>
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                     </div>
                 </div>
-<li>AT (Check communication, baudrate)</li>
+<li>AT (Check UART communication, baudrate 9600 8N1)</li>
 <li>AT+CMD (Get all supported commands in the firmware)</li>
 <li>AT+BUZZER=1 or AT+BUZZER=0 (Enable or Disable buzzer)</li>
 <li>AT+BUZZERFREQ=2000 (Set buzzer frequency to 2000 Hz)</li>