diff --git a/flask/app.py b/flask/app.py
index 15f3ead2..1ad669e3 100644
--- a/flask/app.py
+++ b/flask/app.py
@@ -657,7 +657,7 @@ class Flask(_PackageBoundObject):
         # existing views.
         context.update(orig_ctx)
 
-    def run(self, host='127.0.0.1', port=5000, **options):
+    def run(self, host='127.0.0.1', port=5000, debug=None, **options):
         """Runs the application on a local development server.  If the
         :attr:`debug` flag is set the server will automatically reload
         for code changes and show a debugger in case an exception happened.
@@ -680,14 +680,16 @@ class Flask(_PackageBoundObject):
         :param host: the hostname to listen on.  set this to ``'0.0.0.0'``
                      to have the server available externally as well.
         :param port: the port of the webserver
+        :param debug: if given, enable or disable debug mode.
+                      See :attr:`debug`.
         :param options: the options to be forwarded to the underlying
                         Werkzeug server.  See
                         :func:`werkzeug.serving.run_simple` for more
                         information.
         """
         from werkzeug.serving import run_simple
-        if 'debug' in options:
-            self.debug = options.pop('debug')
+        if debug is not None:
+            self.debug = bool(debug)
         options.setdefault('use_reloader', self.debug)
         options.setdefault('use_debugger', self.debug)
         try:
diff --git a/flask/views.py b/flask/views.py
index 8f368bbc..be718cc6 100644
--- a/flask/views.py
+++ b/flask/views.py
@@ -64,7 +64,7 @@ class View(object):
 
     def dispatch_request(self):
         """Subclasses have to override this method to implement the
-        actual view functionc ode.  This method is called with all
+        actual view function code.  This method is called with all
         the arguments from the URL rule.
         """
         raise NotImplementedError()
diff --git a/setup.py b/setup.py
index 5dfe3a87..255f1e77 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@ class run_audit(Command):
     user_options = []
 
     def initialize_options(self):
-        all = None
+        pass
 
     def finalize_options(self):
         pass
@@ -62,22 +62,19 @@ class run_audit(Command):
             print "Audit requires PyFlakes installed in your system."""
             sys.exit(-1)
 
-        dirs = ['flask', 'tests']
-        # Add example directories
-        for dir in ['flaskr', 'jqueryexample', 'minitwit']:
-            dirs.append(os.path.join('examples', dir))
-        # TODO: Add test subdirectories
         warns = 0
+        # Define top-level directories
+        dirs = ('flask', 'examples', 'scripts')
         for dir in dirs:
-            for filename in os.listdir(dir):
-                if filename.endswith('.py') and filename != '__init__.py':
-                    warns += flakes.checkPath(os.path.join(dir, filename))
+            for root, _, files in os.walk(dir):
+                for file in files:
+                    if file != '__init__.py' and file.endswith('.py') :
+                        warns += flakes.checkPath(os.path.join(root, file))
         if warns > 0:
             print ("Audit finished with total %d warnings." % warns)
         else:
             print ("No problems found in sourcecode.")
 
-
 setup(
     name='Flask',
     version='0.8-dev',