diff --git a/admin/mnet/peer_forms.php b/admin/mnet/peer_forms.php
index cd24ec160fd..c56fc48e0f9 100644
--- a/admin/mnet/peer_forms.php
+++ b/admin/mnet/peer_forms.php
@@ -59,9 +59,8 @@ class mnet_simple_host_form extends moodleform {
             $wwwroot = 'http://'.$wwwroot;
         }
         if ($host = $DB->get_record('mnet_host', array('wwwroot' => $wwwroot))) {
-            global $CFG;
-            return array('wwwroot' => get_string('hostexists', 'mnet',
-                new moodle_url('/admin/mnet/peers.php', array('hostid' => $host->id))));
+            $str = get_string('hostexists', 'mnet', (new moodle_url('/admin/mnet/peers.php', ['hostid' => $host->id]))->out());
+            return array('wwwroot' => $str);
         }
         return array();
     }
diff --git a/lang/en/mnet.php b/lang/en/mnet.php
index b73fd12aac3..2641107fe85 100644
--- a/lang/en/mnet.php
+++ b/lang/en/mnet.php
@@ -82,7 +82,7 @@ $string['hideremote'] = 'Hide remote users';
 $string['host'] = 'host';
 $string['hostcoursenotfound'] = 'Host or course not found';
 $string['hostdeleted'] = 'Host deleted';
-$string['hostexists'] = 'A record already exists for a host with that hostname (it may be deleted). <a href="{$a}">click here</a> to edit that record.';
+$string['hostexists'] = 'A record already exists for a host with that hostname (it may be deleted). <a href="{$a}">Click here</a> to edit that record.';
 $string['hostlist'] = 'List of networked hosts';
 $string['hostname'] = 'Hostname';
 $string['hostnamehelp'] = 'The fully-qualified domain name of the remote host, e.g. www.example.com';