diff --git a/docs/experiments/onboarding-config-protocol.md b/docs/experiments/onboarding-config-protocol.md
index 424f7726e..9427d47b7 100644
--- a/docs/experiments/onboarding-config-protocol.md
+++ b/docs/experiments/onboarding-config-protocol.md
@@ -24,6 +24,7 @@ Purpose: shared onboarding + config surfaces across CLI, macOS app, and Web UI.
 - `wizard.status` params: `{ sessionId }`
 - `config.schema` params: `{}`
 - `config.schema.lookup` params: `{ path }`
+  - `path` accepts standard config segments plus slash-delimited plugin ids, for example `plugins.entries.pack/one.config`.
 
 Responses (shape)