diff --git a/arch/arm/src/lpc17xx/lpc17_usbhost.c b/arch/arm/src/lpc17xx/lpc17_usbhost.c
index e7e71d3ab786879bcd9904bd7d83c67d33b7dc72..291d53ab7e8d3ce08ecfb15bc7cd2e6e7a34c479 100755
--- a/arch/arm/src/lpc17xx/lpc17_usbhost.c
+++ b/arch/arm/src/lpc17xx/lpc17_usbhost.c
@@ -1409,6 +1409,7 @@ FAR struct usbhost_driver_s *usbhost_initialize(int controller)
    *   10: reserved
    *   11: U1=host, U2=device
    *
+   * We need only select U1=host (Bit 0=1);
    * NOTE: The PORTSEL clock needs to be enabled when accessing OTGSTCTRL
    */
 
@@ -1418,7 +1419,7 @@ FAR struct usbhost_driver_s *usbhost_initialize(int controller)
 
   lpc17_putreg((LPC17_CLKCTRL_ENABLES & ~USBDEV_CLK_PORTSELCLK), LPC17_USBOTG_CLKCTRL);
 
-  /* Step 3: Configure I/O pins */
+  /* Configure I/O pins */
 
   usbhost_dumpgpio();
   lpc17_configgpio(GPIO_USB_DP);      /* Positive differential data */
diff --git a/include/nuttx/usb/ohci.h b/include/nuttx/usb/ohci.h
index d8d1d5cdfa4f60b48f98b087f3c21feede022508..cb96bc2c3475287872464f4c59421091eb48056b 100755
--- a/include/nuttx/usb/ohci.h
+++ b/include/nuttx/usb/ohci.h
@@ -139,8 +139,8 @@
                                               /* Bits 17-31: Reserved */
 
 /* HcInterruptStatus: HC interrupt status (7.1.4),
- * HcInterruptEnable: HC interrupt enable  (7.1.5), and
- * HcInterruptDisable: HC interrupt disable  (7.1.6)
+ * HcInterruptEnable: HC interrupt enable (7.1.5), and
+ * HcInterruptDisable: HC interrupt disable (7.1.6)
  */
 
 #define OHCI_INT_SO                 (1 << 0)  /* Bit 0:  Scheduling overrun */