';How do i modify or delete cell numbers from my yahoo web page?';?

There is one column in yahoo where one can chat and store their contacts. I would like to modify, change or delete some contact. Anyone help me in this regards?';How do i modify or delete cell numbers from my yahoo web page?';?
Go to 'Menu'; %26gt; 'Call History' %26gt;scroll down to 'delete all calls'';How do i modify or delete cell numbers from my yahoo web page?';?
i dont know