Read me update
diff --git a/README.md b/README.md
index 55671df..e8233a8 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@
   <tr align="center"> <td> SFlash          </td> <td> sflash_io1             </td> <td>                 </td> <td> digital_io[30]                       </td></tr>
   <tr align="center"> <td> SFlash          </td> <td> sflash_io2             </td> <td>                 </td> <td> digital_io[31]                       </td></tr>
   <tr align="center"> <td> SFlash          </td> <td> sflash_io3             </td> <td>                 </td> <td> digital_io[32]                       </td></tr>
-  <tr align="center"> <td> SSRAM           </td> <td> Reserved               </td> <td>                 </td> <td> digital_io[33]                       </td></tr>
+  <tr align="center"> <td> SSRAM           </td> <td> dbg_clk_mon            </td> <td>                 </td> <td> digital_io[33]                       </td></tr>
   <tr align="center"> <td> SSRAM           </td> <td> uartm rxd              </td> <td>                 </td> <td> digital_io[34]                       </td></tr>
   <tr align="center"> <td> SSRAM           </td> <td> uartm txd              </td> <td>                 </td> <td> digital_io[35]                       </td></tr>
   <tr align="center"> <td> usb1.1          </td> <td> usb_dp                 </td> <td>                 </td> <td> digital_io[36]                       </td></tr>