diff --git a/.env.example b/.env.example
index 244e621f..d17b51eb 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,13 @@
 CDP_API_KEY=
 CDP_API_SECRET=
 
+# Read by `scripts/robinhood_smoke.py` ONLY -- the read-only live probe. `load_secrets` does not
+# read these yet, so setting them does not wire the Robinhood adapter into a run; see
+# `packages/keel-broker-robinhood/README.md`. ROBINHOOD_PRIVATE_KEY is the base64 of the raw
+# 32-byte Ed25519 seed, not a PEM.
+ROBINHOOD_API_KEY=
+ROBINHOOD_PRIVATE_KEY=
+
 # Optional. Where CRITICAL escalations are POSTed as JSON (ntfy, Pushover, a Slack/Discord
 # webhook, anything that accepts a POST body). Unset means alerting is off entirely and keel
 # makes no network call for it -- but then `reconcile.position_unprotected` ("this tranche is