minor fixes

Author: iliakan

2-ui/1-document/05-basic-dom-node-properties/article.md

@@ -27,7 +27,7 @@ The classes are:
     - [HTMLAnchorElement](https://html.spec.whatwg.org/multipage/semantics.html#htmlanchorelement) -- the class for `<a>` elements,
     - ...and so on.
 
-There are many other tags with their own classes that may specific properties and methods, while some elements, such as `<span>`, `<section>`, `<article>` do not have any specific properties, so they are instances of `HTMLElement` class.
+There are many other tags with their own classes that may have specific properties and methods, while some elements, such as `<span>`, `<section>`, `<article>` do not have any specific properties, so they are instances of `HTMLElement` class.
 
 So, the full set of properties and methods of a given node comes as the result of the inheritance.