diff --git a/sockjs/sockjs.d.ts b/sockjs/sockjs-0.3.d.ts
similarity index 80%
rename from sockjs/sockjs.d.ts
rename to sockjs/sockjs-0.3.d.ts
index 14529f0c0..90a027180 100644
--- a/sockjs/sockjs.d.ts
+++ b/sockjs/sockjs-0.3.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for SockJS 0.3.x
+// Project: https://github.com/sockjs/sockjs-client
+// Definitions by: Emil Ivanov <https://github.com/vladev>
+// DefinitelyTyped: https://github.com/borisyankov/DefinitelyTyped
+
 interface SockJSSimpleEvent {
     type: string;
     toString(): string;