diff --git a/README.md b/README.md
index 49e2bd02ea5372fe80b27ff1b2d13611a4b1e275..22247f2271724ae2d3a39b125e199dd18605b19e 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,7 @@
 WKF!? - What the Kinematic Fit
 ==============================
 
-Introduction and Background
-===========================
+## Introduction and Background
 
 This started as a side project to implement kinematic fitting while learning 
 some modern template meta programming techniques. It uses [strong 
@@ -74,7 +73,9 @@ auto fitter = wkf::ProblemBuilder()
 
 
 
-## Test data
+## Motivation and Test data
+
+The motivation for this project was to mirror the [original implementation from Frank Cao](https://gitlab.com/franktcao/FCKinFitter). 
 
 ```
 wget -P dataIn/ https://userweb.jlab.org/~fcao/data/root/eg6/pass_kinfitv2/eg6_coh_dvcs_pass_fit_plus_3000.root