message: example contour.yaml key-binding fix.
diff: @@ -95,7 +95,7 @@ background:
  input_mapping:
  - { mods: [Alt], key: Enter, action: ToggleFullscreen }
  - { mods: [Control, Alt], key: S, action: ScreenshotVT }
  - - { mods: [Control, Shift], key: Add, action: IncreaseFontSize }
  + - { mods: [Control, Shift], key: Equal, action: IncreaseFontSize }
  - { mods: [Control, Shift], key: Minus, action: DecreaseFontSize }
  - { mods: [Control], mouse: WheelUp, action: IncreaseFontSize }
  - { mods: [Control], mouse: WheelDown, action: DecreaseFontSize }
  