Minor documentation updates

Author: vimalloc

examples/complex_objects_from_tokens.py

@@ -8,14 +8,14 @@
 jwt = JWTManager(app)
 
 
-# A user object that we will load our tokens
+# A demo user object that we will use in this example
 class UserObject:
     def __init__(self, username, roles):
         self.username = username
         self.roles = roles
 
 # An example store of users. In production, this would likely
-# be a sqlalchemy instance or something similiar
+# be a sqlalchemy instance or something similar
 users_to_roles = {
     'foo': ['admin'],
     'bar': ['peasant'],
@@ -24,7 +24,7 @@ def __init__(self, username, roles):
 
 
 # This function is called whenever a protected endpoint is accessed.
-# This should return a complex object based on the token identity.
+# This should return an object based on the token identity.
 # This is called after the token is verified, so you can use
 # get_jwt_claims() in here if desired. Note that this needs to
 # return None if the user could not be loaded for any reason,
@@ -53,14 +53,14 @@ def custom_user_loader_error(identity):
 # Create a token for any user, so this can be tested out
 @app.route('/login', methods=['POST'])
 def login():
-    username = request.json.get('username', None)
+    username = request.get_json().get('username', None)
     access_token = create_access_token(identity=username)
     ret = {'access_token': access_token}
     return jsonify(ret), 200
 
 
 # If the user_loader_callback returns None, this method will
-# not get hit, even if the access token is valid. You can
+# not be run, even if the access token is valid. You can
 # access the loaded user via the ``current_user``` LocalProxy,
 # or with the ```get_current_user()``` method
 @app.route('/admin-only', methods=['GET'])