diff --git a/business-rules-engine/BasicValidators.d.ts b/business-rules-engine/BasicValidators.d.ts
index 86a2c0baa..88e449825 100644
--- a/business-rules-engine/BasicValidators.d.ts
+++ b/business-rules-engine/BasicValidators.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for business-rules-engine - v1.0.20
+// Project: https://github.com/rsamec/form
+// Definitions by: Roman Samec <https://github.com/rsamec>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
 /// <reference path="../underscore/underscore.d.ts" />
 /// <reference path="../q/q.d.ts" />
 /// <reference path="../moment/moment.d.ts" />
diff --git a/business-rules-engine/Utils.d.ts b/business-rules-engine/Utils.d.ts
index 0f68cd1ba..bea120c63 100644
--- a/business-rules-engine/Utils.d.ts
+++ b/business-rules-engine/Utils.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for business-rules-engine - v1.0.20
+// Project: https://github.com/rsamec/form
+// Definitions by: Roman Samec <https://github.com/rsamec>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
 /// <reference path="../node/node.d.ts" />
 declare module Utils {
     class StringFce {
diff --git a/business-rules-engine/Validation.d.ts b/business-rules-engine/Validation.d.ts
index 9a864e3e0..114feb32e 100644
--- a/business-rules-engine/Validation.d.ts
+++ b/business-rules-engine/Validation.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for business-rules-engine - v1.0.20
+// Project: https://github.com/rsamec/form
+// Definitions by: Roman Samec <https://github.com/rsamec>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
 /// <reference path="../q/q.d.ts" />
 /// <reference path="../underscore/underscore.d.ts" />
 declare module Validation {