cfg error

I'm trying to modify the EDGE linedefs .cfg because I find the current one to be sorely lacking. This is my first time actually going into the .cfg file. Every so often I stop to test it in Doom Builder with success. I'm trying to add in the slope linedefs, and I keep getting this error:


These are the slope linedefs what I'm trying to put together, with the specific error line circled:


What am I doing wrong?

Try changing line 574 to...

title = "Slopes";

I'm an idiot. Thanks.