diff --git a/src/core/types/types.js b/src/core/types/types.js
index ff4c70f3f3a28f1f384fd0d8d85ce0ee463ddb2a..f7dff478c17b589637ac35cedc9fbad67de91f10 100644
--- a/src/core/types/types.js
+++ b/src/core/types/types.js
@@ -89,7 +89,7 @@
  * @typedef {object} AccountData
  * @property {string} consentId
  * @property {string} inseeCode
- * @property {string} offPeakHours
+ * @property {string | undefined} offPeakHours
  */
 
 /**
diff --git a/src/requests/cozy.js b/src/requests/cozy.js
index 2e22ceba07e45a2b0d553abd7caa95736f23d65b..e71288cad945c1a25a4f7877de530a630adbe29d 100644
--- a/src/requests/cozy.js
+++ b/src/requests/cozy.js
@@ -34,7 +34,7 @@ async function saveAccountData(accountId, accountData) {
 /**
  * Return account
  * @param {string} accountId
- * @returns {Account}
+ * @returns {Promise<Account>}
  */
 async function getAccount(accountId) {
   log('info', `getAccount: ${accountId}`)