diff --git a/mousetrap/mousetrap.d.ts b/mousetrap/mousetrap.d.ts
index a5da600b2..24160dde0 100644
--- a/mousetrap/mousetrap.d.ts
+++ b/mousetrap/mousetrap.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Mousetrap
+// Type definitions for Mousetrap 1.2.2
 // Project: http://craig.is/killing/mice
 // Definitions by: Dániel Tar https://github.com/qcz
 // Definitions: https://github.com/borisyankov/DefinitelyTyped