diff --git a/source/voice_control/s3_box_voice_assistant.markdown b/source/voice_control/s3_box_voice_assistant.markdown
index a62350b76e7..8c38fc93ff7 100644
--- a/source/voice_control/s3_box_voice_assistant.markdown
+++ b/source/voice_control/s3_box_voice_assistant.markdown
@@ -29,6 +29,7 @@ Before you can use this device with Home Assistant, you need to install a bit of
 1. Make sure this page is opened in a Chromium-based browser on a desktop. It does not work on a tablet or phone.
 
    - If you have an ESP32-S3-BOX-3, select the **Connect** button below. If your browser does not support web serial, you will see a warning instead of a button.
+     - If your device does not readily connect for flashing, you may need to put your ESP32-S3-BOX-3 into "flash mode" by holding the "boot" button (left side upper button), tapping the "reset" button (left side lower button), and then releasing them both. Wait a few seconds before attempting to connect.
 
 
       <script type="module" src="https://unpkg.com/esp-web-tools@9/dist/web/install-button.js?module"></script>