diff --git a/config/configuration.yaml.example b/config/configuration.yaml.example
index fde4040863f..619b9f56f87 100644
--- a/config/configuration.yaml.example
+++ b/config/configuration.yaml.example
@@ -106,11 +106,16 @@ automation 2:
 sensor:
   platform: systemmonitor
   resources:
-    - {type: 'disk_use_percent', arg: '/'}
-    - {type: 'disk_use_percent', arg: '/home'}
-    - {type: 'disk_use', arg: '/home'}
-    - {type: 'disk_free', arg: '/'}
-    - {type: 'memory_use_percent'}
-    - {type: 'memory_use'}
-    - {type: 'memory_free'}
-    - {type: 'processor_use'}
\ No newline at end of file
+    - type: 'disk_use_percent'
+      arg: '/'
+    - type: 'disk_use_percent'
+      arg: '/home'
+    - type: 'disk_use'
+      arg: '/home'
+    - type: 'disk_free'
+      arg: '/'
+    - type: 'memory_use_percent'
+    - type: 'memory_use'
+    - type: 'memory_free'
+    - type: 'processor_use'
+    - type: 'unknown sensor type'
\ No newline at end of file