German Translation: Wrong Decimal Separator

[Gameniti]

Hi there,

I've just installed this tool and it works great so far.

One problem I've noticed is in the german translation.
When you want to compress a file using the automatic mode the subtext and explanation says

Erwartete PDF-Größe (z.B. 25 MB, 10,8 MB, 25 KB)

Notice the 10 , 8? When you use a comma you get the error:

Error

Internal Server Error:Cannot invoke "java.lang.Long.longValue()" because "expectedOutputSize" is null

If you use a dot (e.g. 10 . 8) it works as expected.

This is the place I've noticed the error but I can imagine there are other subtext where this is wrong.