Capitalize occurrences of 'flask' (#2067)

flask/__init__.py

@@ -40,7 +40,7 @@ from .signals import signals_available, template_rendered, request_started, \
 # it.
 from . import json
 
-# This was the only thing that flask used to export at one point and it had
+# This was the only thing that Flask used to export at one point and it had
 # a more generic name.
 jsonify = json.jsonify
 

flask/cli.py

@@ -131,9 +131,9 @@ version_option = click.Option(['--version'],
                               is_flag=True, is_eager=True)
 
 class DispatchingApp(object):
-    """Special application that dispatches to a flask application which
+    """Special application that dispatches to a Flask application which
     is imported by name in a background thread.  If an error happens
-    it is is recorded and shows as part of the WSGI handling which in case
+    it is recorded and shown as part of the WSGI handling which in case
     of the Werkzeug debugger means that it shows up in the browser.
     """
 

flask/sessions.py

@@ -168,7 +168,7 @@ class SessionInterface(object):
     null_session_class = NullSession
 
     #: A flag that indicates if the session interface is pickle based.
-    #: This can be used by flask extensions to make a decision in regards
+    #: This can be used by Flask extensions to make a decision in regards
     #: to how to deal with the session object.
     #:
     #: .. versionadded:: 0.10

flask/signals.py

@@ -37,7 +37,7 @@ except ImportError:
             temporarily_connected_to = connected_to = _fail
         del _fail
 
-# The namespace for code signals.  If you are not flask code, do
+# The namespace for code signals.  If you are not Flask code, do
 # not put signals in here.  Create your own namespace instead.
 _signals = Namespace()