diff --git a/7-animation/2-css-animations/article.md b/7-animation/2-css-animations/article.md
index bdee6303..f8c68f66 100644
--- a/7-animation/2-css-animations/article.md
+++ b/7-animation/2-css-animations/article.md
@@ -84,7 +84,7 @@ In `transition-duration` we can specify how long the animation should take. The
 
 ## transition-delay
 
-In `transition-delay` we can specify the delay *before* the animation. For instance, if `transition-delay` is `1s` and `transition-duration` is 2s, then the animation starts 1 second after the property change and the total duration will be 2 seconds.
+In `transition-delay` we can specify the delay *before* the animation. For instance, if `transition-delay` is `1s` and `transition-duration` is `2s`, then the animation starts 1 second after the property change and the total duration will be 2 seconds.
 
 Negative values are also possible. Then the animation starts from the middle. For instance, if `transition-duration` is `2s`, and the delay is `-1s`, then the animation takes 1 second and starts from the halfway point.