Impove wait strategy documentation #96.

src/main/java/com/lmax/disruptor/SleepingWaitStrategy.java

@@ -19,12 +19,14 @@
 
 /**
  * Sleeping strategy that initially spins, then uses a Thread.yield(), and
- * eventually sleep (<code>LockSupport.parkNanos(1)</code>) for the minimum
+ * eventually sleep (<code>LockSupport.parkNanos(n)</code>) for the minimum
  * number of nanos the OS and JVM will allow while the
  * {@link com.lmax.disruptor.EventProcessor}s are waiting on a barrier.
  * <p>
  * This strategy is a good compromise between performance and CPU resource.
- * Latency spikes can occur after quiet periods.
+ * Latency spikes can occur after quiet periods.  It will also reduce the impact
+ * on the producing thread as it will not need signal any conditional variables
+ * to wake up the event handling thread.
  */
 public final class SleepingWaitStrategy implements WaitStrategy
 {

src/main/java/com/lmax/disruptor/YieldingWaitStrategy.java

@@ -20,7 +20,8 @@
  * Yielding strategy that uses a Thread.yield() for {@link com.lmax.disruptor.EventProcessor}s waiting on a barrier
  * after an initially spinning.
  * <p>
- * This strategy is a good compromise between performance and CPU resource without incurring significant latency spikes.
+ * This strategy will use 100% CPU, but will more readily give up the CPU than a busy spin strategy if other threads
+ * require CPU resource.
  */
 public final class YieldingWaitStrategy implements WaitStrategy
 {