diff --git a/docs/assets/images/spark-firmware-update.png b/docs/assets/images/spark-firmware-update.png
index 7b424ba694..96e50d8100 100644
Binary files a/docs/assets/images/spark-firmware-update.png and b/docs/assets/images/spark-firmware-update.png differ
diff --git a/docs/assets/images/update-firmware-ui.png b/docs/assets/images/update-firmware-ui.png
index 5308027818..1872b122c9 100644
Binary files a/docs/assets/images/update-firmware-ui.png and b/docs/assets/images/update-firmware-ui.png differ
diff --git a/docs/duo_upgrade_guide.md b/docs/duo_upgrade_guide.md
index cd30f9793b..cbd8c27fd1 100644
--- a/docs/duo_upgrade_guide.md
+++ b/docs/duo_upgrade_guide.md
@@ -63,7 +63,7 @@ Before updating the Duo firmware, always ensure the **Chromadeck** is [up to dat
 
  - Now the Chromadeck is connected and the UI should look like this, press **Update Firmware** in the **Chromalink Duo Panel**:
 
-<div style="text-align: center; margin: 20px">
+<div style="text-align: center; margin: 20px; display:flex; flex-direction: column;">
   <a style="color: white;"><b>NOTE</b>: It is unnecessary to press Connect Duo!</a>
   <img style="margin-top:10px;" src="assets/images/update-firmware-ui.png">
 </div>