diff --git a/creditcoin-js/src/testUtils/index.ts b/creditcoin-js/src/testUtils/index.ts
index 622e36524f..d39bd32e2a 100644
--- a/creditcoin-js/src/testUtils/index.ts
+++ b/creditcoin-js/src/testUtils/index.ts
@@ -26,6 +26,8 @@ export type TestData = {
 export const testData = (ethereumChain: Blockchain, createWalletF: CreateWalletFunc): TestData => {
     return {
         blockchain: ethereumChain,
+        // WARNING: don't hard-code this, see examples/loan-cycle.ts
+        // NOTICE: this function is only used during testing before the Creditcoin API has been initialized
         expirationBlock: 10_000_000,
         createWallet: createWalletF,
         keyring: new Keyring({ type: 'sr25519' }),