Added a closing </p>' to a code example in docs/email.txt

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5814 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/email.txt

@@ -314,7 +314,7 @@ To send a text and HTML combination, you could write::
 
     subject, from_email, to = 'hello', 'from@example.com', 'to@example.com'
     text_content = 'This is an important message.'
-    html_content = '<p>This is an <strong>important</strong> message.'
+    html_content = '<p>This is an <strong>important</strong> message.</p>'
     msg = EmailMultiAlternatives(subject, text_content, from_email, to)
     msg.attach_alternative(html_content, "text/html")
     msg.send()