diff --git a/docs/DESIGN.md b/docs/DESIGN.md
index 67476ed..9d7b1a0 100644
--- a/docs/DESIGN.md
+++ b/docs/DESIGN.md
@@ -149,8 +149,10 @@ CascadingDev/
 ├─ tools/build_installer.py    # creates install/cascadingdev-<version>/
 ├─ install/                    # build output (git-ignored)
 │  └─ cascadingdev-<version>/  # unzip + run bundle (setup_cascadingdev.py inside)
+├─ docs
+│ └─ DESIGN.md
 ├─ VERSION                     # semantic version of CascadingDev
-├─ DESIGN.md, README.md, docs/, tests/
+├─ README.md, docs/, tests/
 ```
 
 **Why:** All runtime assets live once under `assets/`.