minor fixes

Author: iliakan

article.md

@@ -205,4 +205,4 @@ Additional abilities of Pointer events are:
 - Device-specific properties, such as `pressure`, `width/height` and others.
 - Pointer capturing: we can retarget all pointer events to a specific element until `pointerup`/`pointercancel`.
 
-As of now, pointer events are supported in all major browsers, so we can safely switch to them, if IE10- and Safari 12- is not needed. And even with those browsers, there are polyfills that enable the support of pointer events.
+As of now, pointer events are supported in all major browsers, so we can safely switch to them, if IE10- and Safari 12- are not needed. And even with those browsers, there are polyfills that enable the support of pointer events.