diff --git a/docs/index.md b/docs/index.md
index 9797dc8..58e5606 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -31,5 +31,10 @@ following command from any general-use machine:
 ceo members get <your_username>
 ```
 
+!!! warning
+
+    When your membership expires, all of your cloud resources will be **permanently deleted**,
+    so make sure that you buy enough membership terms in advance.
+
 To start creating your own virtual machines, please see the [CloudStack](cloudstack)
 page for more details.