diff --git a/README.md b/README.md
index 9e506b9..17e28e7 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 
 
-## Katz lab
+### Katz lab
 >[About Katz Lab](https://www.science.smith.edu/katz-lab/)    \|  
 📧[Mail](lkatz@smith.edu)   \|   📞 Call : (413) 585-3825     \|   
 :office: Address: Burton Hall 201, 46 College Lane,