Mission Control´s fullscreen thumbnail title cuts off the first word from its filename

The Mission Control´s fullscreen thumbnail title cuts off the first word from its filename.

screenshot 1:
2 thumbnails in Mission Control:

screenshot 2:
the full filename:
Untitled 1 Untitled 2 Untitled 3 Untitled 4 Untitled 5 Untitled 6 Untitled 7 Untitled 8 Untitled 9 Untitled.3dm

This is OS X behavior and not something we can change. f yu typd yr filnm fst thd b shrtr :smiley: