Create Poly ?

Hi all,
Can someone tell me how to use the create poly. I have created an aircraft panel, but I neen to round it off at the back. I dont think I have a enough polys to make any changes to round of the panel
Cheers hsv
Can someone tell me how to use the create poly. I have created an aircraft panel, but I neen to round it off at the back. I dont think I have a enough polys to make any changes to round of the panel
Cheers hsv