diff --git a/src/helpers/prevent-utils.js b/src/helpers/prevent-utils.js
index 2a149a41..262ad59b 100644
--- a/src/helpers/prevent-utils.js
+++ b/src/helpers/prevent-utils.js
@@ -24,7 +24,7 @@ export const isValidCallback = (callback) => {
  * rounded down number for number/string values or passes on for other types.
  * Needed for prevent-setTimeout and prevent-setInterval
  * @param {any} delay
- * @returns {any} parsed delay
+ * @returns {any} number as parsed delay or any input type if `delay` is not parsable
  */
 export const parseRawDelay = (delay) => {
     return nativeIsNaN(parseInt(delay, 10)) ? delay : Math.floor(parseInt(delay, 10));