diff --git a/Readme.md b/Readme.md
index 56a6801..11b6dbd 100644
--- a/Readme.md
+++ b/Readme.md
@@ -12,6 +12,8 @@ OpenAuto is an AndroidAuto(tm) headunit emulator based on aasdk library and Qt l
 ### Build Guide
 #### Local build instructions for Raspberry Pi
 
+Having <a href="https://github.com/openDsh/aasdk">aasdk</a> built and install first is a prequisite for this task. Please complete the necessary aasdk steps before proceeding here.
+
 ```sudo apt-get update
 sudo apt-get -y install cmake build-essential git