diff --git a/types/mobx-react-form/index.d.ts b/types/mobx-react-form/index.d.ts
index 7525856a..96cf2400 100644
--- a/types/mobx-react-form/index.d.ts
+++ b/types/mobx-react-form/index.d.ts
@@ -310,13 +310,15 @@ export class Form implements Base {
     update(obj: any): void;
 
     readonly submitting: boolean;
-    readonly isValid:boolean;
 
     protected validator :any
 
     readonly isValid :boolean;
     readonly size:number
 
+    readonly isPristine :boolean;
+    readonly isDirty :boolean;
+
     values(): {[fields:string] : ValuesResponse|string}
     
 }