diff --git a/README.md b/README.md
index 30fc3e7..6b2dedd 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Sybase docker image for local __dev only__.
 
 :warning: This image is not production ready and should be used for dev only
 
-For a dev usage a licence should be used and mounted in the container.
+For a dev usage a licence should be used and mounted in the container. The docker image is only valid for a short period.
 
 ## Run as docker container
 ```bash