diff --git a/docs/source/index.rst b/docs/source/index.rst
index f51c55f..aa97765 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -1,7 +1,8 @@
 Welcome
 #######
 
-This documentation describes the LEGO® Education SPIKE™ Prime protocol.
+This documentation describes the communication protocol for
+LEGO® Education SPIKE™ App 3 Prime hubs.
 It is intended for developers who want to write their own software
 to control the SPIKE™ Prime Hub over Bluetooth Low Energy (BLE).