diff --git a/README.txt b/README.txt
index d4d90d7..4bd9f6e 100644
--- a/README.txt
+++ b/README.txt
@@ -1 +1,4 @@
-Please read: documentation/index.html
\ No newline at end of file
+Please read: documentation/index.html
+
+For automatic updates you can use this key:
+37105-876567-7654345-KSFE-1111-DGX