diff --git a/usbdrv/asmcommon.inc b/usbdrv/asmcommon.inc
index d2a4f7c..17fd32b 100644
--- a/usbdrv/asmcommon.inc
+++ b/usbdrv/asmcommon.inc
@@ -14,7 +14,7 @@
 /*
 General Description:
 This file contains assembler code which is shared among the USB driver
-implementations for different CPU cocks. Since the code must be inserted
+implementations for different CPU clocks. Since the code must be inserted
 in the middle of the module, it's split out into this file and #included.
 
 Jump destinations called from outside: