More typo, grammar, and style fixes

docs/scenarios/xml.rst

@@ -30,13 +30,13 @@ can be loaded like this:
     import untangle
     obj = untangle.parse('path/to/file.xml')
 
-and then you can get the child elements name like this:
+and then you can get the child element's name attribute like this:
 
 .. code-block:: python
 
     obj.root.child['name']
 
-untangle also supports loading XML from a string or an URL.
+untangle also supports loading XML from a string or a URL.
 
 
 *********
@@ -69,7 +69,7 @@ can be loaded into a Python dict like this:
     with open('path/to/file.xml') as fd:
         doc = xmltodict.parse(fd.read())
 
-and then you can access elements, attributes and values like this:
+and then you can access elements, attributes, and values like this:
 
 .. code-block:: python
 
@@ -79,5 +79,5 @@ and then you can access elements, attributes and values like this:
     doc['mydocument']['plus']['#text'] # == u'element as well'
 
 xmltodict also lets you roundtrip back to XML with the unparse function,
-has a streaming mode suitable for handling files that don't fit in memory
-and supports namespaces.
+has a streaming mode suitable for handling files that don't fit in memory,
+and supports XML namespaces.