How to change secret word for unhiding Powered Keylogger

To change the Secret Word for unhiding Powered Keylogger do the following:

a. Type your current secret word in order to unhide PK; 
b. Click the "Options" button in the left/bottom menu;
c. Click "Advanced options" button in the left menu;
d. In the "Advanced options" window which opens go to "General" tab. Find "Secret word" field there and enter your new secret word which will serve for unhiding Powered Keylogger.