How can i modify configuration name?

Configuration name shows the abbreviation for thread display style. I would like to remove it. Is there a way to to that?
For example: DIN 912 M4 x 40 --- 20N where the N at the end shows, that the thread display style is simplified.

After the modification i would like it to be something like DIN 912 M4 x 40 - 20

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