diff --git a/docs/wiki/config/config_preview.yml b/docs/wiki/config/config_preview.yml
index 9105c87..d0eacd1 100644
--- a/docs/wiki/config/config_preview.yml
+++ b/docs/wiki/config/config_preview.yml
@@ -36,9 +36,14 @@ sensors:
     cells:
       - [3, 3, 5]
 
+# all cells are declared to output the gt
+# of baseline for each into the console
   - group: baseline
     cells:
       - [0, 0, 0]
+      - [1, 1, 0]
+      - [2, 2, 0]
+      - [3, 3, 0]
 
 groundtruths:
   - group: baseline