diff --git a/examples/worlds/mecanum_drive.sdf b/examples/worlds/mecanum_drive.sdf
index f284036a25..458778ecdb 100644
--- a/examples/worlds/mecanum_drive.sdf
+++ b/examples/worlds/mecanum_drive.sdf
@@ -1,14 +1,12 @@
 <?xml version="1.0" ?>
 <!--
-  Ignition Gazebo skid steer differential drive plugin demo
+  Ignition Gazebo Mecanum drive plugin demo
 
   Try sending commands:
 
-    ign topic -t "/model/vehicle_blue/cmd_vel" -m ignition.msgs.Twist -p "linear: {x: 0.5}, angular: {z: 0.05}"
+    ign topic -t "/model/vehicle_blue/cmd_vel" -m ignition.msgs.Twist -p "linear: {x: 0.5, y: 0.5}"
 
-  Listen to odometry:
-
-    ign topic -e -t /model/vehicle_blue/odometry
+    ign topic -t "/model/vehicle_blue/cmd_vel" -m ignition.msgs.Twist -p "linear: {y: 0.5}, angular: {z: 0.2}"
 
 -->
 <sdf version="1.6">
@@ -79,7 +77,7 @@
       </link>
     </model>
 
-    <model name='vehicle_blue' xmlns:gazebo="http://gazebosim.org/schema">
+    <model name='vehicle_blue' xmlns:ignition="http://ignitionrobotics.org/schema">
       <pose>0 2 0.325 0 -0 0</pose>
 
       <link name='chassis'>