If your name includes a letter that is not a part of the english alphabet it will automatically be changed to international standard.
For example if your name has any of the letters:
Å, Ä, Ö
The letters will be changed toA, A, O on your ticket. Capital letters, space and hyphens will disappear on your ticket.
The changes listed above does not have any practical significance, your name has been registered in the system the way you spelled it while creating the reservation.
Take a look at your travel documents, if the name is spelled correctly, the airline has the proper information and you can safely go to the airport.