diff --git a/lib/helpers/AxiosURLSearchParams.js b/lib/helpers/AxiosURLSearchParams.js
index 7c49f18..a141349 100644
--- a/lib/helpers/AxiosURLSearchParams.js
+++ b/lib/helpers/AxiosURLSearchParams.js
@@ -2,6 +2,14 @@
 
 var toFormData = require('./toFormData');
 
+/**
+ * It encodes a string by replacing all characters that are not in the unreserved set with
+ * their percent-encoded equivalents
+ *
+ * @param {string} str - The string to encode.
+ *
+ * @returns {string} The encoded string.
+ */
 function encode(str) {
   var charMap = {
     '!': '%21',
@@ -17,6 +25,14 @@ function encode(str) {
   });
 }
 
+/**
+ * It takes a params object and converts it to a FormData object
+ *
+ * @param {Object<string, any>} params - The parameters to be converted to a FormData object.
+ * @param {Object<string, any>} options - The options object passed to the Axios constructor.
+ *
+ * @returns {void}
+ */
 function AxiosURLSearchParams(params, options) {
   this._pairs = [];