diff --git a/src/OfflineQuery.js b/src/OfflineQuery.js
index 59b191a40..46167a586 100644
--- a/src/OfflineQuery.js
+++ b/src/OfflineQuery.js
@@ -81,13 +81,21 @@ function equalObjectsGeneric(obj, compareTo, eqlFn) {
 }
 
 /**
- * Converts human readable relative date string
- * ie: 'in 10 days' to a date relative to now
+ * @typedef RelativeTimeToDateResult
+ * @property {string} status The conversion status, `error` if conversion failed or
+ * `success` if conversion succeeded.
+ * @property {string} info The error message if conversion failed, or the relative
+ * time indication (`past`, `present`, `future`) if conversion succeeded.
+ * @property {Date|undefined} result The converted date, or `undefined` if conversion
+ * failed.
+ */
+/**
+ * Converts human readable relative date string, for example, 'in 10 days' to a date
+ * relative to now.
  *
- * @param {*} text
- * @param {*} now
- * @returns {status,info,result}
- * copied from parse-server/src/Adapters/Storage/Mongo/MongoTransform.js
+ * @param {string} text The text to convert.
+ * @param {Date} [now=new Date()] The date from which add or subtract. Default is now.
+ * @returns {RelativeTimeToDateResult}
  */
 function relativeTimeToDate(text, now = new Date()) {
   text = text.toLowerCase();