diff --git a/docs/proxy.md b/docs/proxy.md
index 2a5caa1..1aae0eb 100644
--- a/docs/proxy.md
+++ b/docs/proxy.md
@@ -7,3 +7,5 @@ You can install it from the [Google Chrome extension store](https://chromewebsto
 2. Click the "Manual Proxy Configuration" radio button. Set the "HTTP Proxy" field to `{{.Cfg.App.Host}}` and the "Port" field to `{{.Cfg.App.Port}}`. Click "Save".
 3. Forward traffic to Spilltea by selecting the new proxy in FoxyProxy's extension button.
 4. You're all set! You can now use Spilltea.
+
+If `proxy_auth` is set in the config (`user:pass`), enter the same credentials in FoxyProxy under "Username" and "Password" in the proxy settings.