Fixed run note

Author: scottf

src/test/java/io/nats/vertx/examples/VertxNoResponders.java

@@ -30,7 +30,7 @@
 /**
  * INSTRUCTIONS TO BUILD AND RUN
  * 1. gradlew clean compileJava copyToLib
- * 2. java -cp "build/libs/*;build/classes/java/main" io.nats.client.VertxNoResponders
+ * 2. java -cp "build/libs/*;build/classes/java/main" io.nats.client.examples.VertxNoResponders
  */
 public class VertxNoResponders {