Fix the ZK URI in the rpm.

Reviewed at https://reviews.apache.org/r/41559/
diff --git a/specs/rpm/SOURCES/aurora.sysconfig b/specs/rpm/SOURCES/aurora.sysconfig
index cef427a..f421d19 100644
--- a/specs/rpm/SOURCES/aurora.sysconfig
+++ b/specs/rpm/SOURCES/aurora.sysconfig
@@ -38,7 +38,7 @@
   -http_port=8081
 
   # The ZooKeeper URL of the ZNode where the Mesos master has registered.
-  -mesos_master_address='zk://127.0.0.1:2181/mesos/master'
+  -mesos_master_address='zk://127.0.0.1:2181/mesos'
 
   # The ZooKeeper quorum to which Aurora will register itself.
   -zk_endpoints='127.0.0.1:2181'
diff --git a/test/rpm/centos-7/README.md b/test/rpm/centos-7/README.md
index cd3ce52..979c00b 100644
--- a/test/rpm/centos-7/README.md
+++ b/test/rpm/centos-7/README.md
@@ -15,7 +15,6 @@
 ### Initialize and start
 
     sudo -u aurora mesos-log initialize --path=/var/lib/aurora/scheduler/db
-    sudo sed -i 's|zk://127.0.0.1:2181/mesos/master|zk://127.0.0.1:2181/mesos|g' /etc/sysconfig/aurora
     sudo systemctl start aurora
 
 The second command alters the ZooKeeper path that the mesos distribution registers at.