diff --git a/docs/07_menu_customization.md b/docs/07_menu_customization.md
index f467778f..0cfcf74f 100644
--- a/docs/07_menu_customization.md
+++ b/docs/07_menu_customization.md
@@ -1,7 +1,4 @@
 ## Menu Customization
 
-### Customizing the font
-Add a `font64` file to the root directory called "custom.font64". You can build a font64 file with the `libdragon` tools.
-
 ### Adding a background image
-Add an image to the SD card. When browsing the menu, select and load the image and then respond to the dialogue message.
+Add a PNG image to the SD card. When browsing the menu, select and load the image and then respond to the dialogue message.
diff --git a/docs/99_developer_guide.md b/docs/99_developer_guide.md
index 9049babc..d11db677 100644
--- a/docs/99_developer_guide.md
+++ b/docs/99_developer_guide.md
@@ -70,3 +70,6 @@ You can then serve the webpage:
 ```bash
 cd output/docs && jekyll serve
 ```
+
+### Test ability to Customize the font
+Add a `font64` file to the `menu` directory called "custom.font64". You can build a font64 file with the `libdragon` tools.