diff --git a/mapping_LevinsohnGNTDF/Readme.md b/mapping_LevinsohnGNTDF/Readme.md
index a233593..402cbc4 100644
--- a/mapping_LevinsohnGNTDF/Readme.md
+++ b/mapping_LevinsohnGNTDF/Readme.md
@@ -1 +1,3 @@
 Here are LevinsohnGNTDF's data formatted for use with OpenGNT.
+
+Read <a href='https://github.com/eliranwong/OpenGNT/blob/master/README.md#license'>HERE</a> for credits / attributions.