diff --git a/data/scenarios/Challenges/Ranching/gated-paddock.yaml b/data/scenarios/Challenges/Ranching/gated-paddock.yaml
index 826fc3a2c..6e375469a 100644
--- a/data/scenarios/Challenges/Ranching/gated-paddock.yaml
+++ b/data/scenarios/Challenges/Ranching/gated-paddock.yaml
@@ -356,8 +356,8 @@ robots:
       - [0, gate]
       - [10, hinge]
   - name: sheep
-    description:
-      - meandering livestock
+    description: |
+      meandering livestock
     display:
       invisible: false
       char: '@'
diff --git a/data/scenarios/Testing/_Validation/1221-duplicate-entities.yaml b/data/scenarios/Testing/_Validation/1221-duplicate-entities.yaml
index 85965e44b..773cf0b0b 100644
--- a/data/scenarios/Testing/_Validation/1221-duplicate-entities.yaml
+++ b/data/scenarios/Testing/_Validation/1221-duplicate-entities.yaml
@@ -14,6 +14,7 @@ entities:
       char: 'Y'
     description:
       - Your scooter
+robots: []
 world:
   palette:
     'x': [grass, null, base]