diff --git a/README.md b/README.md
index 30ec48b..5fcd98b 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ The supported models are:
 
 The only kind of displays supported are the ones listed above, but we are always happy to receive pull requests supporting new displays.
 
-You need to configure the display type in `config.yml` where you can find `ui.display.type`. 
+You need to configure the display type in `config.yml` where you can find `ui.display.type`. If your display does not work after changing this setting, you might need to complete remove power from the Raspberry and make a clean boot.
 
 One thing to note, not all displays are created equaly, TFT displays for example work similar to an HDMI display, and they are not supported, currently all the displays supported are I2C displays.