diff --git a/readme.md b/readme.md
index e92b298..c9d7b8d 100755
--- a/readme.md
+++ b/readme.md
@@ -82,7 +82,7 @@ In the event that the admin web front end is inaccessible, for example because o
 
 ### Unlock Settings
 
-In order to unlock the Input fields for ASIC Mhz and ASIC Voltage you need to open up your Browser console (mostly done by pressing F12). If you submit the command `unlockSettings()` your input fields for ASIC Mhz and ASIC Voltage will be unlocked and you can place other values out of the predefined scope into them.
+In order to unlock the Input fields for ASIC Frequency and ASIC Core Voltage you need to append `?oc` to the end of the settings tab URL in your browser. Be aware that without additional cooling overclocking can overheat and/or damage your Bitaxe.
 
 ## Development