diff --git a/croppa/main.py b/croppa/main.py
index 471a711..75154e1 100644
--- a/croppa/main.py
+++ b/croppa/main.py
@@ -4959,11 +4959,11 @@ class VideoEditor:
                         self.go_to_next_interesting_point()
             elif key == ord("'"):  # ' (apostrophe) - Toggle region selection mode
                 self.toggle_interesting_region_selection()
-            elif key == ord("0"):  # 0 - Decrease frame difference threshold
+            elif key == ord("9"):  # 0 - Decrease frame difference threshold
                 self.frame_difference_threshold = max(1.0, self.frame_difference_threshold - 1.0)
                 print(f"Frame difference threshold: {self.frame_difference_threshold:.1f}%")
                 self.show_feedback_message(f"Threshold: {self.frame_difference_threshold:.1f}%")
-            elif key == ord("9"):  # 9 - Increase frame difference threshold
+            elif key == ord("0"):  # 9 - Increase frame difference threshold
                 self.frame_difference_threshold = min(100.0, self.frame_difference_threshold + 1.0)
                 print(f"Frame difference threshold: {self.frame_difference_threshold:.1f}%")
                 self.show_feedback_message(f"Threshold: {self.frame_difference_threshold:.1f}%")