diff --git a/README.md b/README.md
index aef9869..7ca8823 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# OptiTrackGH
+# Tracker
 A Grasshopper plugin for NaturalPoint's NatNet API. Supports real-time motion tracking with OptiTrack camera systems. 
 
 Requires a valid copy of the OptiTrack Motive software to broadcast MoCap data on a local network.
@@ -7,6 +7,8 @@ Tracker grabs frame data from Motive, scales, translates and presents the releva
 Read more about OptiTrack here: https://optitrack.com/applications/
 
 ## Dependencies
+Tracker requires version 4.0 the NatNet Assembly (NatNetML.dll), which is included in this repo in the lib folder.  
+The full SDK can be downloaded from https://optitrack.com/software/natnet-sdk/
 
 ## Installation