diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
index 5be7551dde..950481aa3e 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
@@ -105,7 +105,7 @@
                 [% IF is_psgi %]
                     <td>[% psgi_server | html %]</td>
                 [% ELSE %]
-                    <td class="error">Koha is running in CGI mode. This is a security issue! Use <code>koha-plack --help</code></td>
+                    <td class="error">Koha is running in CGI mode. This is a security issue! Run Koha using Plack for CSRF (cross-site request forgery) protection. More information: <code>koha-plack --help</code></td>
             [% END %]
             </tr>
             [% IF Koha.Preference('SearchEngine') == 'Elasticsearch' %]