diff --git a/README.md b/README.md
index 7186ed0..bb3c0e3 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@ Browser-based front-end for [ollie](../README.md). A Preact single-page applicat
 
 ## Prerequisites
 
-- [olliesrv](../9p/) running
-- [ollie-httpgw](../httpgw/) running (translates HTTP to 9P)
+- Either [olliesrv](../9p/) or [ollied](../dbus/) running (provides the D-Bus `org.ollie.SessionManager` interface)
+- [ollie-httpgw](../httpgw/) running (HTTP → D-Bus gateway)
 
 ## Build