Acoustic Guitar Construction

I am very new to this forum thing so forgive me if I don't get the right person answered. The person who sent the diagram of the guitar, thanks and the problem is the same as the red rectangle. I worked on it this afternoon and I moved the neck over and filled the void in the other side, hope it wor...

It is off of center line of the guitar top, sorry no pics.

Chuck 1945

I am building a Dreadnaught out of cherry and when I started to attach the dovetail neck I found that my neck block was not centered on the top, it is off about 3/16" or so. Is there anything I can do to help this problem or just trask it and start on another one.
Thanks
Chuck 1945