Easier way to start the master

docs/spark-standalone.md

@@ -9,7 +9,7 @@ In addition to running on the Mesos or YARN cluster managers, Spark also provide
 
 You can start a standalone master server by executing:
 
-    ./spark-class org.apache.spark.deploy.master.Master
+    ./bin/start-master.sh
 
 Once started, the master will print out a `spark://HOST:PORT` URL for itself, which you can use to connect workers to it,
 or pass as the "master" argument to `SparkContext`. You can also find this URL on