diff --git a/main.py b/main.py
index e3792c7..0c96c84 100755
--- a/main.py
+++ b/main.py
@@ -63,7 +63,7 @@ def __init__(self, *args, **kwargs):
 
         self.protocol("WM_DELETE_WINDOW", self.on_closing)
 
-        if sys.platform == "darwin":  # MacOS X and MacOS 11
+        if sys.platform == "darwin":  # macOS
             self.bind("<Command-q>", self.on_closing)
             self.bind("<Command-w>", self.on_closing)
             self.createcommand('tk::mac::Quit', self.on_closing)
@@ -99,7 +99,7 @@ def on_closing(self, event=0):
         if sys.platform == "darwin":  # macOS
             if Version(tkinter.Tcl().call("info", "patchlevel")) >= Version("8.6.9"):  # Tcl/Tk >= 8.6.9
                 os.system("defaults delete -g NSRequiresAquaSystemAppearance")  # Only for dark-mode testing!
-                # This command reverts the darkmode setting for all programs.
+                # This command reverts the dark-mode setting for all programs.
 
         self.audio_analyzer.running = False
         self.play_sound_thread.running = False
diff --git a/tuner_appearance_manager/font_manager.py b/tuner_appearance_manager/font_manager.py
index cf45eaa..8794bf7 100644
--- a/tuner_appearance_manager/font_manager.py
+++ b/tuner_appearance_manager/font_manager.py
@@ -18,13 +18,13 @@ def __init__(self):
             self.settings_text_font = ("Avenir", 28)
 
         elif "win" in sys.platform:  # Windows
-            self.button_font = ("Avenir", 14)
-            self.note_display_font = ("Avenir", 65)
-            self.info_text_font = ("Avenir", 12)
-            self.settings_text_font = ("Avenir", 20)
+            self.button_font = ("Century Gothic", 14)
+            self.note_display_font = ("Century Gothic", 65)
+            self.info_text_font = ("Century Gothic", 12)
+            self.settings_text_font = ("Century Gothic", 20)
 
         else:  # Linux or other
-            self.button_font = ("Avenir", 14)
-            self.note_display_font = ("Avenir", 65)
-            self.info_text_font = ("Avenir", 12)
-            self.settings_text_font = ("Avenir", 20)
\ No newline at end of file
+            self.button_font = ("Century Gothic", 14)
+            self.note_display_font = ("Century Gothic", 65)
+            self.info_text_font = ("Century Gothic", 12)
+            self.settings_text_font = ("Century Gothic", 20)
\ No newline at end of file