diff --git a/in/private/server/index.rst b/in/private/server/index.rst
index c446e16..aae12c0 100644
--- a/in/private/server/index.rst
+++ b/in/private/server/index.rst
@@ -72,6 +72,8 @@ Partitions
 Boot
 ----
 
+.. warning:: no ESP boot available!
+
 Prepare a grub.cfg
 
 .. code:: shell