diff --git a/readme.md b/readme.md
index 5fbe00f..d550719 100644
--- a/readme.md
+++ b/readme.md
@@ -180,7 +180,9 @@ docker run -it --rm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-ti
     devices:
         - /dev/dri
     ```
-
+    
+    As the Intel GPU drivers will be downloaded during installation, you need to re-install DSM when you want to apply this to an existing instance.
+    
   * ### What are the differences compared to the standard DSM?
 
     There are only two minor differences: the Virtual Machine Manager package is not provided, and Surveillance Station doesn't include any free licenses.