diff --git a/YML-Schema.yml b/YML-Schema.yml
index dc3f775..250392f 100644
--- a/YML-Schema.yml
+++ b/YML-Schema.yml
@@ -26,6 +26,7 @@ mapping:
     required: true
   "Created":
     type: date
+    format: '%Y-%M-%d'
     required: true
   "Commands":
     type: seq