diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index 7d3b2b9c..e6b188e4 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -1,4 +1,5 @@
-This diagram shows components of the chatmail server:
+This diagram shows components of the chatmail server; this is a draft
+overview as of mid-August 2025:
 
 ```mermaid
 graph LR;