diff --git a/ARCHITECTURE_NOTES.md b/ARCHITECTURE_NOTES.md
index 95437de673..fd7e036020 100644
--- a/ARCHITECTURE_NOTES.md
+++ b/ARCHITECTURE_NOTES.md
@@ -1,6 +1,6 @@
 # ARCHITECTURE_NOTES.md
 
-## Phase 0 — The Archaeological Dig into Roo Code
+## Phase 0 — The Archaeological Dig into Roo Code (Exploring the codebase)
 
 ---