diff --git a/specification/cognitiveservices/data-plane/FormRecognizer/preview/v2.1-preview.1/FormRecognizer.json b/specification/cognitiveservices/data-plane/FormRecognizer/preview/v2.1-preview.1/FormRecognizer.json
index ac505a5bd6cc..e78ebef1bafb 100644
--- a/specification/cognitiveservices/data-plane/FormRecognizer/preview/v2.1-preview.1/FormRecognizer.json
+++ b/specification/cognitiveservices/data-plane/FormRecognizer/preview/v2.1-preview.1/FormRecognizer.json
@@ -958,6 +958,10 @@
           "description": "Use label file for training a model.",
           "type": "boolean",
           "default": false
+        },
+        "modelName": {
+          "description": "Optional user defined model name.",
+          "type": "string"
         }
       }
     },
@@ -1071,6 +1075,16 @@
           "description": "Date and time (UTC) when the status was last updated.",
           "type": "string",
           "x-nullable": false
+        },
+        "modelName": {
+          "type": "string",
+          "description": "Optional user defined model name."
+        },
+        "composedNames": {
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          }
         }
       }
     },
@@ -1134,7 +1148,7 @@
         "trainResult": {
           "$ref": "#/definitions/TrainResult"
         },
-        "composedTrainedResults": {
+        "composedTrainResults": {
           "type": "object",
           "additionalProperties": {
             "$ref": "#/definitions/TrainResult"
@@ -1264,6 +1278,10 @@
           "items": {
             "type": "string"
           }
+        },
+        "modelName": {
+          "description": "Optional user-defined model name.",
+          "type": "string"
         }
       }
     },   
@@ -1722,6 +1740,11 @@
           "additionalProperties": {
             "$ref": "#/definitions/FieldValue"
           }
+        },
+        "docTypeConfidence": {
+          "format": "double",
+          "description": "Predicted document type confidence.",
+          "type": "number"
         }
       }
     },