diff --git a/README.md b/README.md
index dc76f79a561929ec58f762ee59722aad7f298840..c37b0bb779cd5381ec65549bffe3a30e9300237b 100644
--- a/README.md
+++ b/README.md
@@ -86,9 +86,10 @@ Note: requires SNP calling (Part II) to be done!
 Example Tutorial
 ================
 
-## 1. Run the setup & compilation steps and download the provided reference database.
+## 1. Run the setup & compilation steps and download the provided reference database. 
 
-    ./getRefDB.sh
+    $ ./getRefDB.sh
+    Select freez9 for the tutorial, as these files have been mapped agains this freeze. 
 
 ## 2. Go to the EXAMPLE directory and download the samples with the getSamplesScript.sh