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>