Hi Gunter, yes that's the spot.

Some space needs to be opened up there by drawing in some cutting lines and using the Edit > Trim command to slice the ends off of the resized part, then select edges and run Construct > Blend to make a smooth blend surface and finally Edit > Join to glue the pieces together.

I've attached a model where I've done that, the steps look like this:

Draw in cutting lines in Front view:


Select resized piece and use the Edit > Trim command to cut it with the lines to open up space like this:


Select edges and run Construct > Blend to fill in the space with a connecting surface:


- Michael