diff --git a/README.md b/README.md
index d8c5159..78809dd 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,5 @@ https://youtu.be/uejBb3Na7lc
 
 
 To convert a GIF (named animation.gif) with the included greenscale.sh script requires ImageMagick and Python. 
+
+Put resulting DATA file on disk as DATA00, optionally with other DATA files named DATA01 through DATA09.