diff --git a/guide/english/certifications/javascript-algorithms-and-data-structures/object-oriented-programming/understand-where-an-objects-prototype-comes-from/index.md b/guide/english/certifications/javascript-algorithms-and-data-structures/object-oriented-programming/understand-where-an-objects-prototype-comes-from/index.md
index 4637337860..ab45996ec4 100644
--- a/guide/english/certifications/javascript-algorithms-and-data-structures/object-oriented-programming/understand-where-an-objects-prototype-comes-from/index.md
+++ b/guide/english/certifications/javascript-algorithms-and-data-structures/object-oriented-programming/understand-where-an-objects-prototype-comes-from/index.md
@@ -3,8 +3,20 @@ title: Understand Where an Object’s Prototype Comes From
 ---
 ## Understand Where an Object’s Prototype Comes From
 
-This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/javascript-algorithms-and-data-structures/object-oriented-programming/understand-where-an-objects-prototype-comes-from/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+### Hint 1
 
-<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+* You should use isPrototypeOf() to complete this challenge.
 
-<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+### Solution
+
+``` javascript
+function Dog(name) {
+  this.name = name;
+}
+
+let beagle = new Dog("Snoopy");
+
+// Add your code below this line
+Dog.prototype.isPrototypeOf(beagle);
+
+```