1 files changed, 2 insertions, 3 deletions

diff --git a/documentation/ref-manual/ref-system-requirements.xml b/documentation/ref-manual/ref-system-requirements.xml
index c6e1eb9716..ac8b0032db 100644
--- a/documentation/ref-manual/ref-system-requirements.xml
+++ b/documentation/ref-manual/ref-system-requirements.xml
@@ -1,6 +1,7 @@
 <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
 [<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] >
+<!--SPDX-License-Identifier: CC-BY-2.0-UK-->
 
 <chapter id='ref-manual-system-requirements'>
 <title>System Requirements</title>
@@ -93,14 +94,12 @@
             <itemizedlist>
                 <listitem><para>Ubuntu 16.04 (LTS)</para></listitem>
                 <listitem><para>Ubuntu 18.04 (LTS)</para></listitem>
-                <listitem><para>Ubuntu 19.04</para></listitem>
                 <listitem><para>Ubuntu 20.04</para></listitem>
-                <listitem><para>Fedora 28</para></listitem>
-                <listitem><para>Fedora 29</para></listitem>
                 <listitem><para>Fedora 30</para></listitem>
                 <listitem><para>Fedora 31</para></listitem>
                 <listitem><para>Fedora 32</para></listitem>
                 <listitem><para>CentOS 7.x</para></listitem>
+                <listitem><para>CentOS 8.x</para></listitem>
                 <listitem><para>Debian GNU/Linux 8.x (Jessie)</para></listitem>
                 <listitem><para>Debian GNU/Linux 9.x (Stretch)</para></listitem>
                 <listitem><para>Debian GNU/Linux 10.x (Buster)</para></listitem>