diff --git a/contract/src/offer-up-proposal.js b/contract/src/offer-up-proposal.js
index 25c82cc..a65d516 100644
--- a/contract/src/offer-up-proposal.js
+++ b/contract/src/offer-up-proposal.js
@@ -42,7 +42,11 @@ const publishBrandInfo = async (chainStorage, board, brand) => {
   await E(node).setValue(JSON.stringify(aux));
 };
 
+// TODO get these from agoric-sdk
+/** @typedef {Record<string, any>} BootstrapPowers */
+
 /**
+ *
  * Core eval script to start contract
  *
  * @param {BootstrapPowers} permittedPowers