diff --git a/README.md b/README.md
index 5a3a40a..8f2a3c4 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # zfs-installer
 
-ZFS installer is a shell script program that fully prepares ZFS on a system, and allows an effortless installation of several Debian-based operating systems using their standard installer (or debootstrap, or any custom script).
+ZFS installer is a shell script program that fully prepares ZFS on a system, and allows an effortless installation of several Ubuntu-based operating systems using their standard installer (or debootstrap, or any custom script).
 
 - [Requirements and functionality](#requirements-and-functionality)
 - [Comparison with Ubuntu built-in installer](#comparison-with-ubuntu-built-in-installer)
@@ -22,7 +22,6 @@ The program currently supports:
 - Ubuntu Desktop 18.04.x/20.04 Live
 - Ubuntu Server 18.04.x/20.04 Live
 - Linux Mint 19.x, 20
-- Debian 10.x Live (desktop environment required)
 - ElementaryOS 5.1
 
 The ZFS version installed is 0.8, which supports native encryption and trimming (among the other improvements over 0.7). The required repositories are automatically added to the destination system.
@@ -31,7 +30,7 @@ EFI boot is required (any modern (2011+) system will do); legacy boot is current
 
 All the ZFS RAID types are supported, with any arbitrary number of disks. An EFI partition is created on each disk, for redundancy purposes.
 
-It's fairly easy to extend the program to support other Debian-based operating systems (e.g. older/newer Ubuntu's, etc.) - the project is (very) open to feature requests.
+It's fairly easy to extend the program to support other Ubuntu-based operating systems - the project is open to feature requests.
 
 ## Comparison with Ubuntu built-in installer
 
diff --git a/install-zfs.sh b/install-zfs.sh
index 7a19c6b..92e88b9 100755
--- a/install-zfs.sh
+++ b/install-zfs.sh
@@ -33,7 +33,7 @@ v_free_tail_space=           # integer
 
 # Variables set during execution
 
-v_linux_distribution=        # Debian, Ubuntu, ... WATCH OUT: not necessarily from `lsb_release` (ie. UbuntuServer)
+v_linux_distribution=        # Ubuntu, LinuxMint, ... WATCH OUT: not necessarily from `lsb_release` (ie. UbuntuServer)
 v_use_ppa=                   # 1=true, false otherwise (applies only to Ubuntu-based).
 v_temp_volume_device=        # /dev/zdN; scope: setup_partitions -> sync_os_temp_installation_dir_to_rpool
 v_suitable_disks=()          # (/dev/by-id/disk_id, ...); scope: find_suitable_disks -> select_disk
@@ -83,7 +83,7 @@ c_default_rpool_create_options=(
 )
 c_zfs_mount_dir=/mnt
 c_installed_os_data_mount_dir=/target
-declare -A c_supported_linux_distributions=([Debian]=10 [Ubuntu]="18.04 20.04" [UbuntuServer]="18.04 20.04" [LinuxMint]="19.1 19.2 19.3" [Linuxmint]="20 20.1" [elementary]=5.1)
+declare -A c_supported_linux_distributions=([Ubuntu]="18.04 20.04" [UbuntuServer]="18.04 20.04" [LinuxMint]="19.1 19.2 19.3" [Linuxmint]="20 20.1" [elementary]=5.1)
 c_temporary_volume_size=12  # gigabytes; large enough - Debian, for example, takes ~8 GiB.
 c_passphrase_named_pipe=$(dirname "$(mktemp)")/zfs-installer.pp.fifo