diff --git a/README.md b/README.md
index 05ee982..e22ef48 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,9 @@ services:
     ports:
       - 40000:40000
     restart: unless-stopped
+    environment:
+    # use your own wrap+ key
+      - LICENSE=''
     logging:
       driver: json-file
       options: