Bug 1669946 - Fixed some documentation typos. r=emilio DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D92931

docs/contributing/vcs/mercurial.rst

@@ -15,7 +15,7 @@ Using `hg clone`
 
 If you are not worried about network interruptions, then you can simply
 use Mercurial to directly clone the repository you're interested in
-using its URL, as given above. For example, to use the command line to
+using its URL, as given below. For example, to use the command line to
 clone ``mozilla-central`` into a directory called ``firefox-source``,
 you would use the following:
 
@@ -29,8 +29,7 @@ Using Mercurial bundles
 
 If you are worried that your Internet connection is not fast or robust
 enough to download such a large amount of data all in one go without
-being interrupted, then you are recommended to download one of the
-If you have any network connection issues and cannot clone with command, try :ref:`Mercurial bundles <Mercurial bundles>`. If interrupted, they can be resumed (continued without downloading 
+being interrupted and cannot clone using the command given above, then you are recommended to try :ref:`Mercurial bundles <Mercurial bundles>`. If interrupted, they can be resumed (continued without downloading 
 from the beginning) if the app you're using to download supports it. For
 example, in Firefox you would right click on the download and select
 `Resume` once your connection to the Internet was reestablished.