diff --git a/_dev/js/theme/core/cart/handler/cart/addToCartHandler.js b/_dev/js/theme/core/cart/handler/cart/addToCartHandler.js
index e20325d1..82ad31a6 100644
--- a/_dev/js/theme/core/cart/handler/cart/addToCartHandler.js
+++ b/_dev/js/theme/core/cart/handler/cart/addToCartHandler.js
@@ -6,9 +6,11 @@ import sprintf from '../../../../utils/sprintf';
 const { danger } = useAlertToast();
 
 /**
- * Handle add to cart event on form submit
- * @param event {Event} - submit event
- * @returns {Promise<void>}
+ * Handles the "add to cart" event on form submission, updating the cart accordingly.
+ * @param {Event} event - The submit event that triggered the "add to cart" action.
+ * @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 process.
+ * @returns {Promise<void>} - A Promise that resolves once the "add to cart" process is complete.
  */
 const addToCartHandler = async (event) => {
   event.preventDefault();
diff --git a/_dev/js/theme/core/cart/handler/cart/deleteFromCartHandler.js b/_dev/js/theme/core/cart/handler/cart/deleteFromCartHandler.js
index e5a26a4c..02a1723a 100644
--- a/_dev/js/theme/core/cart/handler/cart/deleteFromCartHandler.js
+++ b/_dev/js/theme/core/cart/handler/cart/deleteFromCartHandler.js
@@ -2,9 +2,11 @@ import prestashop from 'prestashop';
 import deleteFromCartRequest from '../../request/cart/deleteFromCartRequest';
 
 /**
- * Delete product from cart handler
- * @param event {Event} - event object
- * @returns {Promise<void>}
+ * Handles the deletion of a product from the cart.
+ * @param {Event} event - The event object that triggered the product 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 deleteFromCartHandler = async (event) => {
   event.preventDefault();
diff --git a/_dev/js/theme/core/cart/handler/cart/quantityChangeHandler.js b/_dev/js/theme/core/cart/handler/cart/quantityChangeHandler.js
index f2b797c9..80e781a7 100644
--- a/_dev/js/theme/core/cart/handler/cart/quantityChangeHandler.js
+++ b/_dev/js/theme/core/cart/handler/cart/quantityChangeHandler.js
@@ -5,10 +5,12 @@ import cartStateStore from '../../store/cartStateStore';
 const { setIsUpdateOperation, setHasError, setErrorMsg } = cartStateStore();
 
 /**
- * @param {string} operation - increase|decrease
- * @param {number} qtyDifference - quantity difference
- * @param {HTMLElement} input - input element
- * @returns {Promise<void>}
+ * Handles the change in quantity for a product in the cart.
+ * @param {string} operation - The type of quantity change ('increase' or 'decrease').
+ * @param {number} qtyDifference - The quantity difference.
+ * @param {HTMLElement} input - The input element triggering the quantity change.
+ * @throws {Error} Will throw an error if required data is missing or if an error occurs during the quantity change process.
+ * @returns {Promise<void>} - A Promise that resolves once the quantity change process is complete.
  */
 const quantityChangeHandler = async (operation, qtyDifference, input) => {
   const { dataset } = input;
diff --git a/_dev/js/theme/core/cart/handler/cart/updateCartHandler.js b/_dev/js/theme/core/cart/handler/cart/updateCartHandler.js
index 6fbb57b6..443a1418 100644
--- a/_dev/js/theme/core/cart/handler/cart/updateCartHandler.js
+++ b/_dev/js/theme/core/cart/handler/cart/updateCartHandler.js
@@ -3,9 +3,11 @@ import parseToHtml from '../../../../utils/parseToHtml';
 import updateCartContentRequest from '../../request/cart/updateCartContentRequest';
 
 /**
- * Update cart handler - update cart content and emit updatedCart event
- * @param {object} event - update cart event object
- * @returns {Promise<void>}
+ * Handles the update of the cart content and emits the 'updatedCart' event.
+ * @param {object} event - The update cart event object.
+ * @param {object} event.resp - The response object containing updated cart data.
+ * @throws {Error} Will throw an error if an error occurs during the cart update process.
+ * @returns {Promise<void>} - A Promise that resolves once the cart update process is complete.
  */
 const updateCartHandler = async (event) => {
   prestashop.cart = event.resp.cart;
diff --git a/_dev/js/theme/core/cart/handler/cart/updatedCartHandler.js b/_dev/js/theme/core/cart/handler/cart/updatedCartHandler.js
index 4f143b59..92d85096 100644
--- a/_dev/js/theme/core/cart/handler/cart/updatedCartHandler.js
+++ b/_dev/js/theme/core/cart/handler/cart/updatedCartHandler.js
@@ -1,5 +1,5 @@
 /**
- * Updated cart handler
+ * Handles the completion of the cart update process.
  */
 const updatedCartHandler = () => {
   document.querySelector('body').classList.remove('cart-loading');