DATAREDIS-1008 - Fix command reference in Javadoc.

Original pull request: #466.

src/main/java/org/springframework/data/redis/core/ValueOperations.java

@@ -189,7 +189,7 @@ public interface ValueOperations<K, V> {
 	 *
 	 * @param map must not be {@literal null}.
 	 * @param {@literal null} when used in pipeline / transaction.
-	 * @see <a href="http://redis.io/commands/mset">Redis Documentation: MSET</a>
+	 * @see <a href="http://redis.io/commands/msetnx">Redis Documentation: MSETNX</a>
 	 */
 	@Nullable
 	Boolean multiSetIfAbsent(Map<? extends K, ? extends V> map);