diff --git a/guide/english/certifications/responsive-web-design/css-flexbox/use-the-flex-grow-property-to-expand-items/index.md b/guide/english/certifications/responsive-web-design/css-flexbox/use-the-flex-grow-property-to-expand-items/index.md
index 9198e886d7..dc519d7651 100644
--- a/guide/english/certifications/responsive-web-design/css-flexbox/use-the-flex-grow-property-to-expand-items/index.md
+++ b/guide/english/certifications/responsive-web-design/css-flexbox/use-the-flex-grow-property-to-expand-items/index.md
@@ -4,4 +4,4 @@ title: Use the flex-grow Property to Expand Items
 ## Use the flex-grow Property to Expand Items
 
 `flex-grow` works similarly to `flex-shrink`, the higher the number, the more it grows.
-The `#box-2` box should be wider in this excercise.
+The `#box-2` box should be wider in this exercise.