diff --git a/examples/A04-visualization/README.md b/examples/A04-visualization/README.md
index 588038dac..3bf4348dd 100644
--- a/examples/A04-visualization/README.md
+++ b/examples/A04-visualization/README.md
@@ -13,12 +13,10 @@ set meta data.
 ```
 as151 = base.getAutonomousSystem(151)
 as151.getRouter('router0').setDisplayName('AS151 Core Router')
-as151.getRouter('router0').setDisplayName('AS151 Core Router')
 as151.getHost('web').setDisplayName('example.com')
 
 ix100_lan = base.getInternetExchange(100).getPeeringLan()
-ix100_lan.setDisplayName('Seattle')
-ix100_lan.setDescription('The Seattle Internet Exchange')
+ix100_lan.setDisplayName('Seattle').setDescription('The Seattle Internet Exchange')
 
 ix101_lan = base.getInternetExchange(101).getPeeringLan()
 ix101_lan.setDisplayName('New York')
diff --git a/examples/A04-visualization/visualization.py b/examples/A04-visualization/visualization.py
index ce6f2b30f..712cdf46a 100755
--- a/examples/A04-visualization/visualization.py
+++ b/examples/A04-visualization/visualization.py
@@ -22,12 +22,10 @@
 
 as151 = base.getAutonomousSystem(151)
 as151.getRouter('router0').setDisplayName('AS151 Core Router')
-as151.getRouter('router0').setDisplayName('AS151 Core Router')
 as151.getHost('web').setDisplayName('example.com')
 
 ix100_lan = base.getInternetExchange(100).getPeeringLan()
-ix100_lan.setDisplayName('Seattle')
-ix100_lan.setDescription('The Seattle Internet Exchange')
+ix100_lan.setDisplayName('Seattle').setDescription('The Seattle Internet Exchange')
 
 ix101_lan = base.getInternetExchange(101).getPeeringLan()
 ix101_lan.setDisplayName('New York')