diff --git a/reactos/subsystems/mvdm/ntvdm/hardware/mouse.h b/reactos/subsystems/mvdm/ntvdm/hardware/mouse.h
index 23f15a0082d..0e20090d40a 100644
--- a/reactos/subsystems/mvdm/ntvdm/hardware/mouse.h
+++ b/reactos/subsystems/mvdm/ntvdm/hardware/mouse.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            mouse.h
- * PURPOSE:         Mouse emulation
+ * PURPOSE:         PS/2 Mouse emulation
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  */