Addressed more requested changes to Notebook

- Typos in docstrings
- Docstring format in test_notebook.py

Author: dogeek

tests/test_notebook.py

@@ -1,8 +1,5 @@
-# -*- coding: utf-8 -*-
-"""
-Author: Dogeek
-Copyright (c) 2019 Dogeek
-"""
+# Copyright (c) Dogeek 2019
+# For license see LICENSE
 from ttkwidgets import Notebook
 from tests import BaseWidgetTest
 

ttkwidgets/notebook.py

@@ -24,7 +24,7 @@ def __init__(self, master=None, tab_nb=0, **kwargs):
         """
         :param master: parent widget
         :param tab_nb: tab index
-        :param **kwargs: keyword arguments for ttk::Frame widgets
+        :param **kwargs: keyword arguments for ttk::Label widgets
         """
         ttk.Frame.__init__(self, master, class_='Notebook.Tab',
                            style='Notebook.Tab', padding=1)
@@ -737,7 +737,7 @@ def add(self, widget, **kwargs):
 
     def insert(self, where, widget, **kwargs):
         """
-        Insert WIDEGT at the position given by WHERE in the notebook.
+        Insert WIDGET at the position given by WHERE in the notebook.
 
         For keyword options, see add method.
         """