Minor clean-up

examples/src/main/java/org/apache/spark/streaming/examples/JavaNetworkWordCount.java

@@ -38,7 +38,7 @@ import java.util.regex.Pattern;
  * To run this on your local machine, you need to first run a Netcat server
  *    `$ nc -lk 9999`
  * and then run the example
- *    `$ ./run spark.streaming.examples.JavaNetworkWordCount local[2] localhost 9999`
+ *    `$ ./run org.apache.spark.streaming.examples.JavaNetworkWordCount local[2] localhost 9999`
  */
 public final class JavaNetworkWordCount {
   private static final Pattern SPACE = Pattern.compile(" ");