diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3784e5d..21a5d18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ToDo:
- - finish string dialog
  - change font attribute in wiki
  - add new button attributes to wiki
 
diff --git a/Readme.md b/Readme.md
index 8d854b4..a1b84ba 100644
--- a/Readme.md
+++ b/Readme.md
@@ -16,7 +16,7 @@
 </div>
 
 ![](documentation_images/complex_example_dark_Windows.png)
-| _`complex_example.py` on Windows 11 with dark mode and 'dark-blue' theme_
+| _`complex_example.py` on Windows 11 with dark mode and 'blue' theme_
 
 ![](documentation_images/complex_example_light_macOS.png)
 | _`complex_example.py` on macOS in light mode and standard 'blue' theme_
diff --git a/customtkinter/windows/widgets/utility/utility_functions.py b/customtkinter/windows/widgets/utility/utility_functions.py
index 8cb1352..a9968bb 100644
--- a/customtkinter/windows/widgets/utility/utility_functions.py
+++ b/customtkinter/windows/widgets/utility/utility_functions.py
@@ -1,5 +1,5 @@
 
-def pop_from_dict_by_set(dictionary: dict, valid_keys: set):
+def pop_from_dict_by_set(dictionary: dict, valid_keys: set) -> dict:
     """ remove and create new dict with key value pairs of dictionary, where key is in valid_keys """
     new_dictionary = {}
 
diff --git a/documentation_images/complex_example_mode_switch_Windows.mp4 b/documentation_images/complex_example_mode_switch_Windows.mp4
new file mode 100644
index 0000000..becbde6
Binary files /dev/null and b/documentation_images/complex_example_mode_switch_Windows.mp4 differ
diff --git a/documentation_images/complex_example_mode_switch_scaling_macOS.mov b/documentation_images/complex_example_mode_switch_scaling_macOS.mov
new file mode 100644
index 0000000..34358b0
Binary files /dev/null and b/documentation_images/complex_example_mode_switch_scaling_macOS.mov differ