diff --git a/curriculum/challenges/english/blocks/lecture-working-with-css-transforms-overflow-and-filters/672bccae6e556cd81cef6af2.md b/curriculum/challenges/english/blocks/lecture-working-with-css-transforms-overflow-and-filters/672bccae6e556cd81cef6af2.md
index e3c0422ecc8..13dfc7ebf7a 100644
--- a/curriculum/challenges/english/blocks/lecture-working-with-css-transforms-overflow-and-filters/672bccae6e556cd81cef6af2.md
+++ b/curriculum/challenges/english/blocks/lecture-working-with-css-transforms-overflow-and-filters/672bccae6e556cd81cef6af2.md
@@ -86,7 +86,7 @@ If an element has no content, padding, or border, its top and bottom margins can
 
 :::
 
-In this example the `empty-block`s top and bottom margins collapse into a single 30 pixels margin, the larger of the two.
+In this example, the `empty-block`'s top and bottom margins collapse into a single 20 pixels margin, the larger of the two.
 
 Here's another example of preventing collapse using padding: