diff --git a/README.md b/README.md
index 7e07a31..2dd6b76 100644
--- a/README.md
+++ b/README.md
@@ -567,7 +567,7 @@ Learn about margin collapsing.
* [ ] [
Margin Collapse in CSS: What, Why, and How](https://medium.com/@joseph0crick/margin-collapse-in-css-what-why-and-how-328c10e37ca0)
* [ ] [
CSS Tricks - What You Should Know About Collapsing Margins](https://css-tricks.com/what-you-should-know-about-collapsing-margins/)
* [ ] [
What's the Deal with Collapsible Margins?](https://bitsofco.de/collapsible-margins/)
-* [ ] [
What’s the Deal with Margin Collapse?](https://jonathan-harrell.com/whats-the-deal-with-margin-collapse/)
+* [ ] [
What’s the Deal with Margin Collapse?](https://jonathan-harrell.com/blog/what%E2%80%99s-the-deal-with-margin-collapse/)
### Colors
diff --git a/blueprint.md b/blueprint.md
index ed9e770..81ac4a9 100644
--- a/blueprint.md
+++ b/blueprint.md
@@ -174,7 +174,7 @@ Learn about margin collapsing.
* [ ] [
Margin Collapse in CSS: What, Why, and How](https://medium.com/@joseph0crick/margin-collapse-in-css-what-why-and-how-328c10e37ca0)
* [ ] [
CSS Tricks - What You Should Know About Collapsing Margins](https://css-tricks.com/what-you-should-know-about-collapsing-margins/)
* [ ] [
What's the Deal with Collapsible Margins?](https://bitsofco.de/collapsible-margins/)
-* [ ] [
What’s the Deal with Margin Collapse?](https://jonathan-harrell.com/whats-the-deal-with-margin-collapse/)
+* [ ] [
What’s the Deal with Margin Collapse?](https://jonathan-harrell.com/blog/what%E2%80%99s-the-deal-with-margin-collapse/)
### Colors
diff --git a/src/data/fundamentals.js b/src/data/fundamentals.js
index 13117ca..b4c57d1 100644
--- a/src/data/fundamentals.js
+++ b/src/data/fundamentals.js
@@ -167,7 +167,7 @@ export const fundamentalsCollection = {
["Margin Collapse in CSS: What, Why, and How", "https://medium.com/@joseph0crick/margin-collapse-in-css-what-why-and-how-328c10e37ca0"],
["CSS Tricks - What You Should Know About Collapsing Margins", "https://css-tricks.com/what-you-should-know-about-collapsing-margins/"],
["What's the Deal with Collapsible Margins?", "https://bitsofco.de/collapsible-margins/"],
- ["What’s the Deal with Margin Collapse?", "https://jonathan-harrell.com/whats-the-deal-with-margin-collapse/"],
+ ["What’s the Deal with Margin Collapse?", "https://jonathan-harrell.com/blog/what%E2%80%99s-the-deal-with-margin-collapse/"],
]
},
}