diff --git a/lib/internal/url.js b/lib/internal/url.js
index 16a453c7845a30..f471b68301da35 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -857,6 +857,9 @@ class URL {
           FunctionPrototypeBind(onParsePortComplete, this));
   }
 
+  /**
+   * @returns {string}
+   */
   get pathname() {
     const ctx = this[context];
     if (this[cannotBeBase])
@@ -1312,6 +1315,10 @@ function urlToHttpOptions(url) {
 
 const forwardSlashRegEx = /\//g;
 
+/**
+ * @param {URL} url
+ * @returns {string}
+ */
 function getPathFromURLWin32(url) {
   const hostname = url.hostname;
   let pathname = url.pathname;
@@ -1365,6 +1372,10 @@ function getPathFromURLPosix(url) {
   return decodeURIComponent(pathname);
 }
 
+/**
+ * @param {string | URL} path 
+ * @returns {string}
+ */
 function fileURLToPath(path) {
   if (typeof path === 'string')
     path = new URL(path);