diff --git a/README.md b/README.md
index 2559178..980bc88 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,6 @@
 
 The lab manual are developed by Dr. Frank Xu wxu@ubalt.edu. Email me if you have any questions or concerns.
 
-## The lab materials are free for educational purposes. Just simply email me your name and institutions. 
+## The lab materials are free for educational purposes. I will be really appreciated if you can email me your name and institution. It will motivate me to update the materials. 
 
 Let me know if you have lab materials to share.