diff --git a/README.md b/README.md
index 967e15e..5153411 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,11 @@ Available under: "Open Source License CC-BY 4.0"
 * http://creativecommons.org/licenses/by/4.0/
 
 
+# Disclaimer
+This is for my own educational use. It is alpha stage,
+under development, not for use.
+
+
 # Copyright
 Available under the same license as upstream paper: