diff --git a/docs/wiki/config/config_preview.yml b/docs/wiki/config/config_preview.yml
index c99be7c..8aa88ad 100644
--- a/docs/wiki/config/config_preview.yml
+++ b/docs/wiki/config/config_preview.yml
@@ -36,8 +36,15 @@ sensors:
     cells:
       - [3, 3, 5]
 
+  - group: baseline
+    cells:
+      - [0, 0, 1]
+      - [1, 1, 1]
+      - [2, 2, 1]
+      - [3, 3, 1]
+
 groundtruths:
-  - group: temperature
+  - group: baseline
     truth:
       - value: 10.0
         timeline:
@@ -48,28 +55,40 @@ groundtruths:
       - [12, 16.0]
     delta:
       - name: fluctuate
-        args: {range: 1.0, center: [3, 3], distOffset: -0.5, time:[0, 12, 18]}
+        args: {range: 0.0, center: [3, 3], distOffset: -0.5, time:[0, 12, 18]}
         timeline:
           - [0, 7]
           - [12, 16]
           - [18, 24]
-      - [7, change, {target: 16.0, targetTime: 12, center: [3, 3], distOffset: -0.5, time:[7]}]
-      - [16, change, {target: 10.0, targetTime: 18, center: [3, 3], distOffset: -0.5, time:[16]}]
+      - [7, change, {range: 0.0, target: 16.0, targetTime: 12, center: [3, 3], distOffset: -0.5, time:[7]}]
+      - [16, change, {range: 0.0, target: 10.0, targetTime: 18, center: [3, 3], distOffset: -0.5, time:[16]}]
+
+  - group: temperature
+    parent: baseline
+    delta:
+      - name: fluctuate
+        args: {range: 1.0}
+        timeline:
+          - [0, 7]
+          - [12, 16]
+          - [18, 24]
+      - [7, fluctuate, {range: 0.5}]
+      - [16, fluctuate, {range: 0.5}]
 
   - group: humidity
     parent: temperature
     delta:
-      - [0, humidFromTemp, {dewpoint: 12.0,}]
+      - [0, humidFromTemp, {dewpoint: 10.0,}]
 
 behaviours:
   - group: temperature
     functions:
       - name: measureTemp
         args:
-          - range: [-50, 150]
-          - resolution: 0.125
-          - accuracy: 0.1
-          - offset: 0
+          range: [-50.0, 150.0]
+          resolution: 0.125
+          accuracy: 0.1
+          offset: 0.0
         timeline:
           - start: 0
             end: 24
@@ -78,30 +97,30 @@ behaviours:
     functions:
      - name: measureTemp
        args:
-         - range: [-50, 150]
-         - resolution: 0.1
-         - accuracy: 1.0
-         - offset: 10
+         range: [-50.0, 150.0]
+         resolution: 0.1
+         accuracy: 1.0
+         offset: 10.0
        timeline:
          - [0, 12]
      - [12, noOutput, {}]
      - name: measureTemp
        args:
-         - range: [-50, 150]
-         - resolution: 0.1
-         - accuracy: 20.0
-         - offset: 0
+         range: [-50.0, 150.0]
+         resolution: 0.1
+         accuracy: 20.0
+         offset: 0.0
        timeline:
          - [15, 24]
 
-   - group: humidity
+  - group: humidity
     functions:
       - name: measureHumid
         args:
-          - range: [5, 100]
-          - resolution: 1.0
-          - accuracy: 2.0
-          - offset: 0
+          range: [5.0, 100.0]
+          resolution: 1.0
+          accuracy: 2.0
+          offset: 0.0
         timeline:
           - start: 0
             end: 24
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