K in "4k" should be capitalized

options.graphics.fabulous.tooltip reads:

"Fabulous" graphics enables screen shaders to draw translucent objects per-pixel.
This may severely impact performance for portable devices and 4*k* displays.

but should read:

"Fabulous" graphics enables screen shaders to draw translucent objects per-pixel.
This may severely impact performance for portable devices and 4*K*displays.