diff --git a/datacontract.schema.json b/datacontract.schema.json
index f277503..568a004 100644
--- a/datacontract.schema.json
+++ b/datacontract.schema.json
@@ -680,6 +680,12 @@
             },
             "description": "The compound primary key of the model."
           },
+          "quality": {
+            "type": "array",
+            "items": {
+              "$ref": "#/$defs/Quality"
+            }
+          },
           "examples": {
             "type": "array"
           },
@@ -1704,6 +1710,20 @@
             }
           }
         },
+        {
+          "if": {
+            "properties": {
+              "type": {
+                "const": "text"
+              }
+            }
+          },
+          "then": {
+            "required": [
+              "description"
+            ]
+          }
+        },
         {
           "if": {
             "properties": {