HI Drew @midnightdoesart ,
You also (in addition to those extra Vertices) might have something like this (red angle, should be straight like the green line):

This is more or less how it should be:

It is possible to fix this, but not straightforward and it is probably better to redo that part…
If this is not it, maybe you can upload your .blend to Dropbox, Googledrive, or so and post a link here.