diff --git a/docs/installation/index.md b/docs/installation/index.md
index 0f1f70e53..d310e2b00 100644
--- a/docs/installation/index.md
+++ b/docs/installation/index.md
@@ -61,3 +61,5 @@ For OIDC login (overrides password login):
 - Optional: `HOMEPAGE_OIDC_NAME` (display name), `HOMEPAGE_OIDC_SCOPE` (defaults to `openid email profile`)
 
 All app pages and `/api` routes will require a signed-in session. Static assets remain public.
+
+Configure your OIDC provider with the a callback URI like `https://homepage.example.com/api/auth/callback/homepage-oidc`.