minor fixes

Author: iliakan

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

@@ -427,7 +427,7 @@ The animations of properties that skip the Layout step are faster. It's even bet
 
 For most CSS properties, the rule is simple: if its change may affect geometry, move elements (even in theory), then it triggers Layout. Otherwise (e.g. a `color` change may not shift elements around), the browser doesn't need to calculate geometry and directly goes to Paint, or even Composite step. You can find a longer list of CSS properties and which stages they trigger at <https://csstriggers.com>. 
 
-The `transform` property is special:
+The `transform` property is a notable exception:
 - CSS transforms affect the target element box as a whole (rotate, flip, stretch, shift it).
 - CSS transforms never affect neighbour elements.