diff --git a/README.md b/README.md
index 1eea7da..e02e26b 100644
--- a/README.md
+++ b/README.md
@@ -77,8 +77,10 @@ python setup.py
 python -m uvicorn app:app --host 127.0.0.1 --port 7000
 ```
 Requirements: Python 3.11+. Cookbook also needs `tmux` for background model
-downloads and serves. Use `--host 0.0.0.0` only when you intentionally want
-LAN/reverse-proxy access.
+downloads and serves. The app itself is lightweight; local model serving is the
+heavy part and depends on the model, runtime, GPU, and VRAM, so small hosts can
+connect to API or remote model servers instead. Use `--host 0.0.0.0` only when
+you intentionally want LAN/reverse-proxy access.
 
 ### Apple Silicon
 Docker on macOS cannot use the Metal GPU. For GPU-accelerated Cookbook on an