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-rw-r--r--cores/arduino/USBAPI.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
index 47221b8..1ad268c 100644
--- a/cores/arduino/USBAPI.h
+++ b/cores/arduino/USBAPI.h
@@ -32,7 +32,7 @@ typedef unsigned long u32;
#include "Arduino.h"
-// This definitions is usefull if you want to reduce the EP_SIZE to 16
+// This definitions is useful if you want to reduce the EP_SIZE to 16
// at the moment only 64 and 16 as EP_SIZE for all EPs are supported except the control endpoint
#ifndef USB_EP_SIZE
#define USB_EP_SIZE 64