diff --git a/CompareOGNTwithNA28/Readme.md b/CompareOGNTwithNA28/Readme.md
index 5f431aa..9cd8eef 100644
--- a/CompareOGNTwithNA28/Readme.md
+++ b/CompareOGNTwithNA28/Readme.md
@@ -1 +1,3 @@
+latest comparison is available at: <a href='https://github.com/eliranwong/OpenGNT/tree/master/mapping_BGB/compare_OGNT_NA28'>https://github.com/eliranwong/OpenGNT/tree/master/mapping_BGB/compare_OGNT_NA28</a>
+
 updating ...