diff --git a/letsencrypt/plugins/manual.py b/letsencrypt/plugins/manual.py
index a70d6a3aa..cb6c9af7e 100644
--- a/letsencrypt/plugins/manual.py
+++ b/letsencrypt/plugins/manual.py
@@ -26,13 +26,18 @@ logger = logging.getLogger(__name__)
 class Authenticator(common.Plugin):
     """Manual Authenticator.
 
+       This plugin requires user's manual intervention in setting up a HTTP
+       server for solving SimpleHTTP challenges and thus does not need to be
+       run as a privilidged process. Alternatively shows instructions on how
+       to use Python's built-in HTTP server.
+
     .. todo:: Support for `~.challenges.DVSNI`.
     """
     zope.interface.implements(interfaces.IAuthenticator)
     zope.interface.classProvides(interfaces.IPluginFactory)
     hidden = True
 
-    description = "Manually Configure And Run A Simple Python Webserver"
+    description = "Manually configure and run a simple Python webserver"
 
     MESSAGE_TEMPLATE = """\
 Make sure your web server displays the following content at