diff --git a/library.properties b/library.properties
index 0732b2c..c527c07 100644
--- a/library.properties
+++ b/library.properties
@@ -3,7 +3,7 @@ version=1.0.0
 author=Cheong
 maintainer=Cheong <cheong@redbearlab.com>
 sentence=An Arduino library for the nRF8001 products such as the BLE Shield and Blend.
-paragraph=Providing a simple service (TxRx) for exchanging data between nRF8001 and BLE Central (e.g. iPhone 6).
+paragraph=Providing a simple service (TxRx) for exchanging data between nRF8001 and BLE Central (e.g. iPhone 6), this library requires Nordic BLE SDK for Arduino to function, please also install that library.
 category=Communication
 url=https://github.com/RedBearLab/nRF8001
 architectures=avr