diff --git a/README.md b/README.md
index a8e0cde..b507412 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 This is a lesser fork of upstream retropilot-server.
 
 # Install
+Docs for Debian stable (bullseye/11).
+
 
 ```
 # Do as retropilot user