--- jsr166/src/jsr166e/extra/SequenceLock.java	2012/11/18 18:03:10	1.3
+++ jsr166/src/jsr166e/extra/SequenceLock.java	2013/07/21 06:24:09	1.6
@@ -109,7 +109,7 @@ public class SequenceLock implements Loc
     private static final long serialVersionUID = 7373984872572414699L;
 
     static final class Sync extends AbstractQueuedLongSynchronizer {
-        static final long serialVersionUID = 2540673546047039555L;
+        private static final long serialVersionUID = 2540673546047039555L;
 
         /**
          * The number of times to spin in lock() and awaitAvailability().
@@ -257,8 +257,10 @@ public class SequenceLock implements Loc
 
     /**
      * Creates an instance of {@code SequenceLock} that will retry
-     * attempts to acquire the lock at least the given number times
+     * attempts to acquire the lock at least the given number of times
      * before blocking.
+     *
+     * @param spins the number of times before blocking
      */
     public SequenceLock(int spins) { sync = new Sync(spins); }
 
@@ -508,7 +510,7 @@ public class SequenceLock implements Loc
      * Throws UnsupportedOperationException. SequenceLocks
      * do not support Condition objects.
      *
-     * @throws UnsupportedOperationException
+     * @throws UnsupportedOperationException always
      */
     public Condition newCondition() {
         throw new UnsupportedOperationException();