-positive @var{nice}, to the maximum of 20, increases the numeric
-priority of a thread, decreasing its effective priority, and causes it
-to give up some CPU time it would otherwise receive. On the other hand,
-a negative @var{nice}, to the minimum of -20, tends to take away CPU
-time from other threads.
+positive @var{nice}, to the maximum of 20, decreases the priority of a
+thread and causes it to give up some CPU time it would otherwise receive.
+On the other hand, a negative @var{nice}, to the minimum of -20, tends
+to take away CPU time from other threads.