Update README.md

Author: brookewenig

chapter6/java/README.md

@@ -1,7 +1,8 @@
 ## How to build the package
 1. sbt clean package
 2. mkdir jars
-3. cp main-java-chapter6_2.12-1.0.jar from the target/scala-2.12 directory into the jars/
-How to run the Example
+3. cp main-java-chapter6_2.12-1.0.jar from the target/scala-2.12 directory into the jars
+
+## How to run the Example
 
 `spark-submit --class main.java.chapter6.Example6_3 jars/main-java-chapter6_2.12-1.0.jar`