diff --git a/README.md b/README.md
index ee68d21..32dfa31 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A Moodle administration plugin providing a GUI to some settings and management o
 
 This plugin enables a Moodle administrator to monitor some hardware settings, to set the date of the MoodleBox, to allow restart and shutdown of the MoodleBox and changing Raspberry Pi passwords using a GUI. After the installation in Moodle, some steps are required to complete on the Raspberry Pi (see below).
 
-The plugin is compatible with Moodle 3.3 or later.
+The plugin is compatible with Moodle 3.3 or later. A Raspberry Pi model 3B or 3B+ is recommended.
 
 ## Installation