It is in your story. If you compare it says that you should replace the first - with a 1. You can always give it a try.
With Kedit or Gedit it is a piece of cake. It is just like correcting a word with a wordprocessor.
Perhaps there is some information at
www.suse.com or take a chance at Google.
On the other hand you can also use your cd, it has an an emergency start.
Perhaps it is possible to correct the error in that way.
CB