diff --git a/converter/news_usb/README.md b/converter/news_usb/README.md
index 64bbbb1d..7bc2bcc2 100644
--- a/converter/news_usb/README.md
+++ b/converter/news_usb/README.md
@@ -23,8 +23,8 @@ Use PD2(USART RXD) for 'Keyboard Data' pin and give power with VCC and GND. Othe
     ------------------------
     PD2     Keyboard Data
     PD3     Keyboard Command
-    PD4     Mouse Data
-    PD0     BZ
+    PD0     Mouse Data
+    PD1     BZ
 
 Target microcontroller is Atmel ATMega32U2 by default but porting this project to other 8-bit AVR controllers would be easy.
 
diff --git a/converter/news_usb/matrix.c b/converter/news_usb/matrix.c
index 693d5b6a..8fe5d8b8 100644
--- a/converter/news_usb/matrix.c
+++ b/converter/news_usb/matrix.c
@@ -133,7 +133,7 @@ uint8_t matrix_scan(void)
         // make code
         if (!matrix_is_on(ROW(code), COL(code))) {
             matrix[ROW(code)] |=  (1<<COL(code));
-            //tone(80, 100);
+            //tone(440, 100);
         }
     }
     return code;
diff --git a/converter/news_usb/tone.c b/converter/news_usb/tone.c
index 687ec75f..f85aa235 100644
--- a/converter/news_usb/tone.c
+++ b/converter/news_usb/tone.c
@@ -25,7 +25,7 @@
 // Pin for buzzer: PD0
 #define BZ_PIN_PORT     PORTD
 #define BZ_PIN_DDR      DDRD
-#define BZ_PIN_MASK     (1<<0)
+#define BZ_PIN_MASK     (1<<1)
 
 volatile long toggle_count;