Similarly to @ref{Enclosures, enclosures} downloading, you may run
downloading of @code{X-URL} URLs, pointing to the article itself. If it
-is HTML document, then it can depend on various other resources, like
+is a HTML document, it can depend on various other resources, like
images and stylesheets. @url{https://www.gnu.org/software/wget/, GNU Wget}
-has ability to download it with all required requisites. Moreover it is
+has the ability to download it with all required requisites. Moreover it is
able to output the whole document in
@url{https://en.wikipedia.org/wiki/Web_ARChive, WARC} format.