diff --git a/boot_loader/examples/i2c/tftp/docs/README.txt b/boot_loader/examples/i2c/tftp/docs/README.txt
6. Be sure the EVM and the PC are connected in the same subnet of a local network, after POR, IBL will download the
boot image from TFTP server and boot from it.
-Please refer to C6678L/C6670L EVM boot mode dip switch settings:
+Please refer to C6678L/C6670L/C6657L EVM boot mode dip switch settings:
http://processors.wiki.ti.com/index.php/TMDXEVM6678L_EVM_Hardware_Setup#Boot_Mode_Dip_Switch_Settings
http://processors.wiki.ti.com/index.php/TMDXEVM6670L_EVM_Hardware_Setup#Boot_Mode_Dip_Switch_Settings
+http://processors.wiki.ti.com/index.php/TMDSEVM6657L_EVM_Hardware_Setup#Boot_Mode_Dip_Switch_Settings
and User's Guide for more details:
http://processors.wiki.ti.com/index.php/BIOS_MCSDK_2.0_User_Guide