Fix btrfs typo in user-docs/modules/ROOT/pages/disk-config.adoc
    
    Typo in docs. 

    

    > 2. System reinstallation while preserving user data can be supported, while avoiding the issue of volumes running out of space. This is due to the fact that Btrfs subvolumes are limited to a static predefined size.

    

    I think you mean *not* limited to a static*,* predefined size.

    

    https://docs.fedoraproject.org/en-US/workstation-docs/disk-config/#_btrfs