Hello Seqencer,
I noticed the same thing as you.
The first name is the alias name in Menus -> Main Menu -> MDT Cup Nowy Sącz 01 -> "Alias" field.
The second name is the Title in Components -> SP Easy Image Gallery -> Albums -> MDT Cup Nowy Sącz 01 -> "Alias" field.
https://prnt.sc/jkND9K-CBgUW
In your Album MDT Cup Nowy Sącz 01 you have chosen for both the same name so it looks not good.
For https://adeem.h2g.pl/galerie/mdt-cup-nowy-sacz-02/mdt-cup-nowy-sacz-2015 you have chosen two different alias so you can see better what i mean.
I don't like this behavior as you, i think, so maybe the Developers can say something to that and maybe improve the way the URL in Albums is presented to the customer?