diff --git a/README.md b/README.md
index d1b957f..fdc1a2f 100644
--- a/README.md
+++ b/README.md
@@ -11,3 +11,7 @@ If you want to test MEGASAT, you can also download "Megasat_data" that contains
 **How to run MEGASAT**
 
 The documentation of MEGASAT is the file "MEGASAT Documentation.pdf".
+
+**How to create MEGASAT primer input file**
+
+To avoid mannually create MEGASAT primer.txt file, please take a look [here](https://github.com/jh041/SamGate)