diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index fb0a1b4a88f..676e6a2e899 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -3080,7 +3080,7 @@ extern void up_ledoff(int led);
     </p>
     <p>
       <b>Examples</b>:
-      <code>drivers/usbdev/usbdev_serial.c</code> and <code>drivers/usbdev/usbdev_storage.c</code>
+      <code>drivers/usbdev/pl2303.c</code> and <code>drivers/usbdev/usbmsc.c</code>
     </p>
   </li>
   <li>
@@ -3100,8 +3100,8 @@ extern void up_ledoff(int led);
           </p>
           <p>
             <b>Examples</b>:
-            The function <code>usbdev_serialinitialize()</code> in the file <code>drivers/usbdev/usbdev_serial.c</code> and
-            the function <code></code> in the file <code>drivers/usbdev/usbdev_storage.c</code>
+            The function <code>usbdev_serialinitialize()</code> in the file <code>drivers/usbdev/pl2303.c</code> and
+            the function <code></code> in the file <code>drivers/usbdev/usbmsc.c</code>
           </p>
         </li>
         <li>