diff --git a/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.c b/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.c
index 6f12851a602..9701b85e579 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.c
+++ b/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.c
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            kbdbios32.c
- * PURPOSE:         VDM Keyboard 32-bit BIOS
+ * PURPOSE:         VDM 32-bit PS/2 Keyboard BIOS
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  */
 
@@ -209,10 +209,8 @@ VOID WINAPI BiosKeyboardIrq(LPWORD Stack)
      * In return, if CF is set we continue processing the scan code
      * stored in AL, and if not, we skip it.
      */
-    BYTE CF;
-    WORD AX;
-    CF = getCF();
-    AX = getAX();
+    BYTE CF = getCF();
+    WORD AX = getAX();
 
     setCF(1);
     setAL(IOReadB(PS2_DATA_PORT));
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.h b/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.h
index 55d297b911d..54b094b42c0 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.h
+++ b/reactos/subsystems/mvdm/ntvdm/bios/bios32/kbdbios32.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            kbdbios32.h
- * PURPOSE:         VDM Keyboard 32-bit BIOS
+ * PURPOSE:         VDM 32-bit PS/2 Keyboard BIOS
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  */
 
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/bios32/moubios32.h b/reactos/subsystems/mvdm/ntvdm/bios/bios32/moubios32.h
index 3e5aad90a0d..1d3770cf094 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/bios32/moubios32.h
+++ b/reactos/subsystems/mvdm/ntvdm/bios/bios32/moubios32.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            moubios32.h
- * PURPOSE:         VDM Mouse 32-bit BIOS
+ * PURPOSE:         VDM 32-bit PS/2 Mouse BIOS
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  */
 
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.c b/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.c
index fd1a7a17255..fe5be7e3960 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.c
+++ b/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.c
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            vidbios32.c
- * PURPOSE:         VDM Video 32-bit BIOS
+ * PURPOSE:         VDM 32-bit Video BIOS
  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
  *
  * NOTE:            All of the real code is in bios/vidbios.c
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.h b/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.h
index 5103e5202c5..beda2badebe 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.h
+++ b/reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            vidbios32.h
- * PURPOSE:         VDM Video 32-bit BIOS
+ * PURPOSE:         VDM 32-bit Video BIOS
  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
  *
  * NOTE:            All of the real code is in bios/vidbios.c
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.c b/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.c
index 1913fb8a580..27c88c7c914 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.c
+++ b/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.c
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            kbdbios.c
- * PURPOSE:         VDM Keyboard BIOS Support Library
+ * PURPOSE:         VDM 32-bit PS/2 Keyboard BIOS Support Library
  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
  */
 
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.h b/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.h
index d1a4911b919..8cd06e17601 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.h
+++ b/reactos/subsystems/mvdm/ntvdm/bios/kbdbios.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            kbdbios.h
- * PURPOSE:         VDM Keyboard BIOS Support Library
+ * PURPOSE:         VDM 32-bit PS/2 Keyboard BIOS Support Library
  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
  */
 
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c b/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
index c544c0a47cc..14d3a1088b2 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
+++ b/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            vidbios.c
- * PURPOSE:         VDM Video BIOS Support Library
+ * PURPOSE:         VDM 32-bit Video BIOS Support Library
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  *                  Hermes Belusca-Maito (hermes.belusca@sfr.fr)
  */
diff --git a/reactos/subsystems/mvdm/ntvdm/bios/vidbios.h b/reactos/subsystems/mvdm/ntvdm/bios/vidbios.h
index c4970fe8e9d..2aaec52b8a5 100644
--- a/reactos/subsystems/mvdm/ntvdm/bios/vidbios.h
+++ b/reactos/subsystems/mvdm/ntvdm/bios/vidbios.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            vidbios.h
- * PURPOSE:         VDM Video BIOS Support Library
+ * PURPOSE:         VDM 32-bit Video BIOS Support Library
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  *                  Hermes Belusca-Maito (hermes.belusca@sfr.fr)
  */