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diff --git a/manpages/en/live-boot.7 b/manpages/en/live-boot.7
index db36641..3a8c1a9 100644
--- a/manpages/en/live-boot.7
+++ b/manpages/en/live-boot.7
@@ -24,6 +24,39 @@ In addition, there are some more boot parameters to influence the behaviour, see
 
 .SS Configuration Files
 \fBlive\-boot\fR can be configured (but not activated) through configuration files. Those files can be placed either in the root filesystem itself (/etc/live/boot.conf, /etc/live/boot/*), or on the live media (live/boot.conf, live/boot/*).
+These environment variables can only be set in the configuration files:
+
+.TP
+\fBDISABLE_CDROM\fR=[\fItrue\fR|\fIfalse\fR]
+Disable support for booting from CD-ROMs.  If set to '\fIy\fR' mkinitramfs will build an initramfs without the kernel modules for reading CD-ROMs.
+
+.TP
+\fBDISABLE_FAT\fR=[\fItrue\fR|\fIfalse\fR]
+Disable support for booting from FAT file systems.  If set to '\fIy\fR' mkinitramfs will build an initramfs without the kernel module vfat and some nls_* modules.
+
+.TP
+\fBDISABLE_FUSE\fR=[\fItrue\fR|\fIfalse\fR]
+Disable support for booting from FUSE-based file systems.  If set to '\fIy\fR' mkinitramfs will build an initramfs without the kernel module fuse and file systems that depend on it (like curlftpfs and httpfs2).
+
+.TP
+\fBDISABLE_NTFS\fR=[\fItrue\fR|\fIfalse\fR]
+Disable support for booting from NTFS file systems.  If set to '\fIy\fR' mkinitramfs will build an initramfs without the kernel module ntfs.
+
+.TP
+\fBDISABLE_USB\fR=[\fItrue\fR|\fIfalse\fR]
+Disable support for booting from USB devices.  If set to '\fIy\fR' mkinitramfs will build an initramfs without the kernel module sd_mod.
+
+.TP
+\fBMINIMAL\fR=[\fItrue\fR|\fIfalse\fR]
+Build a minimal initramfs.  If set to '\fIy\fR' mkinitramfs will build an initramfs without some udev scripts and without rsync.
+
+.TP
+\fBPERSISTENCE_FSCK\fR=[\fItrue\fR|\fIfalse\fR]
+Run fsck on persistence filesystem on boot. Will attempt to repair errors. The execution log will be saved in /var/log/live/fsck.log.
+
+.TP
+\fBFSCKFIX\fR=[\fItrue\fR|\fIfalse\fR]
+If PERSISTENCE_FSCK or forcefsck are set, will pass -y to fsck to stop it from asking questions interactively and assume yes to all queries.
 
 .SH OPTIONS
 \fBlive\-boot\fR currently features the following parameters.
@@ -68,8 +101,12 @@ Target <target-name>
   # Wthreads or MaxConnections
 .IP "\fBfindiso\fR=\fI/PATH/TO/IMAGE\fI" 4
 Look for the specified ISO file on all disks where it usually looks for the .squashfs file (so you don't have to know the device name as in fromiso=....).
+.IP "\fBforcefsck\fR" 4
+Run fsck on persistence filesystem on boot. Will attempt to repair errors. The execution log will be saved in /var/log/live/fsck.log.
 .IP "\fBfromiso\fR=\fI/PATH/TO/IMAGE\fI" 4
-Use a filesystem from within an ISO image that's available on live-media.
+Use a filesystem from within an ISO image that's available on live-media. The first part of the argument should be the block device where the image is stored, followed by the path and filename (e.g. fromiso=/dev/sda1/live/image.iso).
+.br
+Alternatively, it can be used to boot from an ISO embedded into an initrd (e.g. fromiso=/live/image.iso).
 .IP "\fBignore_uuid\fR" 4
 Do not check that any UUID embedded in the initramfs matches the discovered medium. live\-boot may be told to generate a UUID by setting LIVE_GENERATE_UUID=1 when building the initramfs.
 .IP "\fBverify\-checksums\fR" 4