docs: update README to reflect source ownership model

README.md

@@ -123,10 +123,10 @@ Red Bear OS uses a **full fork** model. Upstream Redox sources are frozen and ar
 
 ```
 local/
-├── patches/    # Durable changes to upstream source trees
-├── recipes/    # Custom packages (drivers, GPU, system)
-├── docs/       # Integration and planning docs
-└── scripts/    # Build, test, and release tooling
+├── sources/     # Red Bear source forks (git repos, directly editable)
+├── recipes/     # Custom packages (drivers, GPU, system)
+├── docs/        # Integration and planning docs
+└── scripts/     # Build, test, and release tooling
 ```
 
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