docs: queryByRole spell check corrections

Author: CarlosCortizasCT

docs/queries/byrole.mdx

@@ -324,7 +324,7 @@ for those cases where you have several elements with the same role and they
 don't have an accessible name but they do have a description.<br /> This would
 be the case for elements with
 [alertdialog](https://www.w3.org/TR/wai-aria-1.1/#alertdialog) role, where the
-`aria-describedby` attribute is used to describe the elements content.
+`aria-describedby` attribute is used to describe the element's content.
 
 For example in
 
@@ -343,7 +343,7 @@ For example in
 </body>
 ```
 
-You can query an specific element like this
+You can query a specific element like this
 
 ```js
 getByrole('alertdialog', {description: 'Your session is about to expire'})