diff --git a/Documentation/NuttX.html b/Documentation/NuttX.html
index 322667449d..eb990aee9c 100644
--- a/Documentation/NuttX.html
+++ b/Documentation/NuttX.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: April 28, 2013</p>
+      <p>Last Updated: May 3, 2013</p>
     </td>
   </tr>
 </table>
@@ -449,6 +449,15 @@
       </li>
     </p>
 </tr>
+<tr>
+  <td><br></td>
+  <td>
+    <p>
+      <li>
+        SMART. FLASH file system from Ken Pettit.
+      </li>
+    </p>
+</tr>
 <tr>
   <td><br></td>
   <td>
diff --git a/drivers/mtd/m25px.c b/drivers/mtd/m25px.c
index 7dc26b3ee2..d799ee0cbf 100644
--- a/drivers/mtd/m25px.c
+++ b/drivers/mtd/m25px.c
@@ -704,7 +704,7 @@ static int m25p_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblock
             {
               /* Do a full sector erase */
 
-              m25p_sectorerase(priv, startblock / blkper, M25P_SE);
+              m25p_sectorerase(priv, startblock, M25P_SE);
               startblock += blkper;
               blocksleft -= blkper;
               continue;