diff --git a/doc/snapper.xml.in b/doc/snapper.xml.in
index 337eae0..da481ff 100644
--- a/doc/snapper.xml.in
+++ b/doc/snapper.xml.in
@@ -38,10 +38,9 @@
create, delete and compare snapshots and undo changes done between snapshots.</para>
<para>Snapper never modifies the content of snapshots. Thus snapper creates
- read-only snapshots if supported by the kernel. Supported filesystems are
- btrfs and ext4 (discontinued) as well as snapshots of LVM logical volumes with
- thin-provisioning. Some filesystems might not be supported depending on your
- installation.</para>
+ read-only snapshots if supported by the kernel. Btrfs and thin-provisioned
+ LVM logical volumes are supported. Some filesystems might not be supported
+ depending on your installation.</para>
</refsect1>
<refsect1 id='concepts'>
@@ -342,8 +341,8 @@
<varlistentry>
<term><option>-f, --fstype</option> <replaceable>fstype</replaceable></term>
<listitem>
- <para>Manually set filesystem type. Supported values are btrfs, ext4
- (discontinued) and lvm. For lvm, snapper uses LVM thin-provisioned snapshots.
+ <para>Manually set filesystem type. Supported values are btrfs and lvm.
+ For lvm, snapper uses LVM thin-provisioned snapshots.
The filesystem type on top of LVM must be provided in parentheses,
e.g. lvm(xfs).</para>
<para>Without this option snapper tries to detect the filesystem.</para>