Update 7-animation/2-css-animations/article.md

Co-authored-by: Muhammed Zakir <[email protected]>

Author: peachesontour

7-animation/2-css-animations/article.md

@@ -8,7 +8,7 @@ JavaScript can be used to control CSS animations and make them even better, with
 
 The idea of CSS transitions is simple. We describe a property and how its changes should be animated. When the property changes, the browser paints the animation.
 
-That is, all we need is to change the property; and, the fluid transition will be done by the browser.
+That is, all we need is to change the property, and the fluid transition will be done by the browser.
 
 For instance, the CSS below animates changes of `background-color` for 3 seconds: