diff --git a/doc/api/util.md b/doc/api/util.md
index a39d372c294d61..939dd52e4f623c 100644
--- a/doc/api/util.md
+++ b/doc/api/util.md
@@ -651,13 +651,13 @@ Deprecated predecessor of `console.log`.
 
 ### util._extend(obj)
 
-    Stability: 0 - Deprecated: Use Object.assign() instead.
+    Stability: 0 - Deprecated: Use [`Object.assign()`] instead.
 
 The `util._extend()` method was never intended to be used outside of internal
 Node.js modules. The community found and used it anyway.
 
 It is deprecated and should not be used in new code. JavaScript comes with very
-similar built-in functionality through `Object.assign()`.
+similar built-in functionality through [`Object.assign()`].
 
 [`Array.isArray`]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
 [constructor]: https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Object/constructor
@@ -668,3 +668,4 @@ similar built-in functionality through `Object.assign()`.
 [`console.log()`]: console.html#console_console_log_data
 [`console.error()`]: console.html#console_console_error_data
 [`Buffer.isBuffer()`]: buffer.html#buffer_class_method_buffer_isbuffer_obj
+[`Object.assign()`]: https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign