diff --git a/babbage/schema/model.json b/babbage/schema/model.json
index 5bc20a7..dfa1cc9 100644
--- a/babbage/schema/model.json
+++ b/babbage/schema/model.json
@@ -5,6 +5,8 @@
     "format": "valid_hierarchies",
 
     "properties": {
+        "label": {"$ref": "#/definitions/label"},
+        "description": {"$ref": "#/definitions/description"},
         "fact_table": {"$ref": "#/definitions/table"},
         "measures": {"$ref": "#/definitions/measures"},
         "dimensions": {"$ref": "#/definitions/dimensions"},