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 A web frontend for the [headscale](https://github.com/juanfont/headscale) Tailscale-compatible coordination server.
 
 ## Installation
-Headscale-UI is currently released as a static site: just take the release and host with your favorite web server. Headscale-UI expects to be served from the `/web` path to avoid overlap with headscale on the same domain.
+Headscale-UI is currently released as a static site: just take the release and host with your favorite web server. Headscale-UI expects to be served from the `/web` path to avoid overlap with headscale on the same domain. Note that due to CORS (see https://github.com/juanfont/headscale/issues/623), headscale UI *must* be served on the same subdomain, or CORS headers injected via reverse proxy.
 
 ### Docker Installation
 If you are using docker, you can install `headscale` alongside `headscale-ui`, like so: