diff --git a/PTL2/README.md b/PTL2/README.md
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--- a/PTL2/README.md
+++ b/PTL2/README.md
@@ -1 +1,8 @@
-
+![Lab image](https://github.com/Katzlab/PhyloToL-6/blob/621517812a5ed4256f19ba26498a665bdd5060af/Katzlab.png)
+# PLT2
+> A repository for main MSA and tree building scripts.
+### 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,
+Smith College, Northampton Massachusetts.