Update info related to the current

#885

docs/docs/features/underglow.md

@@ -105,6 +105,17 @@ If your board/shield uses LEDs that require the data sent in a different order,
 
 :::
 
+:::note
+
+Currently, If you are using a nice nano 2, underglow won't work out of the box.
+To make this work you need to add an overlay in your `.keymap` file like this:
+
+'''
+#include <../boards/shields/<board>/boards/nice_nano.overlay>
+'''
+
+:::
+
 ### Other boards
 
 For other boards, you must select an SPI definition that has the `MOSI` pin as your data pin going to your LED strip.