diff --git a/guide/english/certifications/responsive-web-design/index.md b/guide/english/certifications/responsive-web-design/index.md
index 121ea4c533..c15fab7363 100644
--- a/guide/english/certifications/responsive-web-design/index.md
+++ b/guide/english/certifications/responsive-web-design/index.md
@@ -3,11 +3,8 @@ title: Responsive Web Design
 ---
 ## Responsive Web Design
 
-This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/mathematics/quadratic-equations/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+Responsive Web Design is the concept of making a website accessible across all possible devices with a varying range of screen sizes, such that they are easily and conveniently accessible and usable by end users across all platforms.
 
-<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>.
+### More Information
 
-<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
-
-#### More Information:
-<!-- Please add any articles you think might be helpful to read before writing the article -->
+* [MDN | The buiding blocks of Responsive Web Design](https://developer.mozilla.org/en-US/docs/Web/Apps/Progressive/Responsive/responsive_design_building_blocks)