diff --git a/GNUK_USB_DEVICE_ID b/GNUK_USB_DEVICE_ID
index 65a3b25..86ec2b6 100644
--- a/GNUK_USB_DEVICE_ID
+++ b/GNUK_USB_DEVICE_ID
@@ -1,3 +1,3 @@
-# VID:PID	bcdDev	Product_STRING	Vender_STRING
+# VID:PID	bcdDev	Product_STRING	Vendor_STRING
 234b:0000	0200	Gnuk Token	Free Software Initiative of Japan
 ##########<TAB>	##<TAB>	##########<TAB>	#################
diff --git a/README b/README
index daa6db0..bd4b062 100644
--- a/README
+++ b/README
@@ -306,7 +306,7 @@ Gnuk is distributed with external source code.
 USB vendor ID and product ID (USB device ID)
 ============================================
 
-When you have a vender ID and assign a product ID for Gnuk, edit the
+When you have a vendor ID and assign a product ID for Gnuk, edit the
 file GNUK_USB_DEVICE_ID and add an entry for yours.  In this case,
 please contact Niibe, so that it is listed to the file in the official
 release of the source code.
diff --git a/regnual/regnual.c b/regnual/regnual.c
index 7350015..5693931 100644
--- a/regnual/regnual.c
+++ b/regnual/regnual.c
@@ -68,7 +68,7 @@ static const uint8_t regnual_config_desc[] = {
   9,
   USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType: Configuration */
   18, 0,			/* wTotalLength: no of returned bytes */
-  1,			/* bNumInterfaces: single vender interface */
+  1,			/* bNumInterfaces: single vendor interface */
   0x01,			/* bConfigurationValue: Configuration value */
   0x00,			/* iConfiguration: None */
 #if defined(USB_SELF_POWERED)