Improve swaylock man
@@ -24,10 +24,11 @@ Options
*-c, \--color* <rrggbb[aa]>::
Turn the screen into the given color instead of white. If an image is in use,
- also enables color display.
+ also enables color display. This option and -i are mutually exclusive.
*-i, \--image* [<output>:]<path>::
- Display the given image, optionally only on the given output.
+ Display the given image, optionally only on the given output. This option
+ and -i are mutually exclusive.
*--scaling*::
Scaling mode for images: stretch, fill, fit, center, or tile.
