diff --git a/_dev/js/theme/core/cart/handler/voucher/codeLinkSubmitHandler.js b/_dev/js/theme/core/cart/handler/voucher/codeLinkSubmitHandler.js
index de74634d..14086bad 100644
--- a/_dev/js/theme/core/cart/handler/voucher/codeLinkSubmitHandler.js
+++ b/_dev/js/theme/core/cart/handler/voucher/codeLinkSubmitHandler.js
@@ -1,6 +1,9 @@
 /**
- * Submit voucher code from link
- * @param event {object} - click event
+ * Handles the submission of a voucher code from a link.
+ * @param {Event} event - The click event that triggered the submission.
+ * @param {HTMLElement} event.delegateTarget - The target element that was clicked.
+ * @throws {Error} Will throw an error if the required elements are not found.
+ * @returns {void}
  */
 const codeLinkSubmitHandler = (event) => {
   event.preventDefault();
diff --git a/_dev/js/theme/core/cart/handler/voucher/deleteVoucherHandler.js b/_dev/js/theme/core/cart/handler/voucher/deleteVoucherHandler.js
index d3dbbb30..3a7fd742 100644
--- a/_dev/js/theme/core/cart/handler/voucher/deleteVoucherHandler.js
+++ b/_dev/js/theme/core/cart/handler/voucher/deleteVoucherHandler.js
@@ -2,9 +2,11 @@ import prestashop from 'prestashop';
 import deleteVoucherFromCartRequest from '../../request/voucher/deleteVoucherFromCartRequest';
 
 /**
- * Delete voucher handler
- * @param event {object} - click event
- * @returns {Promise<void>}
+ * Handles the deletion of a voucher from the cart.
+ * @param {Event} event - The click event that triggered the deletion.
+ * @param {HTMLElement} event.delegateTarget - The target element that was clicked.
+ * @throws {Error} Will throw an error if required data is missing or if an error occurs during the deletion process.
+ * @returns {Promise<void>} - A Promise that resolves once the deletion process is complete.
  */
 const deleteVoucherHandler = async (event) => {
   event.preventDefault();
diff --git a/_dev/js/theme/core/cart/handler/voucher/submitVoucherHandler.js b/_dev/js/theme/core/cart/handler/voucher/submitVoucherHandler.js
index 46708814..9ef4dbcf 100644
--- a/_dev/js/theme/core/cart/handler/voucher/submitVoucherHandler.js
+++ b/_dev/js/theme/core/cart/handler/voucher/submitVoucherHandler.js
@@ -3,9 +3,11 @@ import addVoucherToCartRequest from '../../request/voucher/addVoucherToCartReque
 import parseToHtml from '../../../../utils/parseToHtml';
 
 /**
- * Submit voucher handler
- * @param event {object} - submit event
- * @returns {Promise<void>}
+ * Handles the submission of a voucher form and updates the cart accordingly.
+ * @param {Event} event - The submit event that triggered the voucher submission.
+ * @param {HTMLElement} event.delegateTarget - The form element that was submitted.
+ * @throws {Error} Will throw an error if required data is missing or if an error occurs during the submission process.
+ * @returns {Promise<void>} - A Promise that resolves once the submission process is complete.
  */
 const submitVoucherHandler = async (event) => {
   event.preventDefault();