diff --git a/lng/english.lng.php b/lng/english.lng.php
index a5d33367..fe156bf9 100644
--- a/lng/english.lng.php
+++ b/lng/english.lng.php
@@ -1648,7 +1648,7 @@ $lng['admin']['usedmax'] = 'Used / Max';
 $lng['admin']['used'] = 'Used';
 $lng['mysql']['size'] = 'Size';
 
-$lng['error']['invalidhostname'] = 'Hostname can\'t be empty nor can it consist only of whitespaces';
+$lng['error']['invalidhostname'] = 'Hostname needs to be avalid domain. It can\'t be empty nor can it consist only of whitespaces';
 
 $lng['traffic']['http'] = 'HTTP (MiB)';
 $lng['traffic']['ftp'] = 'FTP (MiB)';