diff --git a/controllers/admin/AdminThemesController.php b/controllers/admin/AdminThemesController.php
index bd210073a..dcf849a53 100644
--- a/controllers/admin/AdminThemesController.php
+++ b/controllers/admin/AdminThemesController.php
@@ -122,7 +122,7 @@ class AdminThemesControllerCore extends AdminController
 				'fields' =>	array(
 					'PS_LOGO' => array(
 						'title' => $this->l('Header logo'),
-						'desc' => $this->l('Will appear on main page'),
+						'desc' => $this->l('Will appear on main page.').' '.$this->l('Recommended height: 52px. Maximum height on default theme: 65px.'),
 						'type' => 'file',
 						'thumb' => _PS_IMG_.Configuration::get('PS_LOGO').'?date='.time()
 					),