The word space tracking feature enables you to apply tracking to word spaces only. (Tracking values are normally applied between both characters and words.) This feature can be accessed through keyboard commands only.
1. Highlight the range of characters whose word spacing you want to modify.
2. Enter one of the following keyboard commands.
Increase space by .05 em .....................Command-Control-Shift-}
Increase space by .005 em ...................Command-Option-Control-Shift-}
Decrease by .05 em ...........................Command-Control-Shift-{
Decrease space by .005 em ..................Command-Option-Control-Shift-{