Complex sentence: In the 2011--12 NBA season, the last five seconds of the shot clock were modified to include tenths of a second, allowing offensive players to see precisely how much time they have to shoot and officials to determine any last-second shots easily.
Split into simpler sentences: In the 2011--12 NBA season, the last five seconds of the shot clock were modified to include tenths of a second. This allows players to see precisely how much time they have to shoot and allows officials to determine any last-second shots easily.