diff --git a/htdocs/core/modules/modDav.class.php b/htdocs/core/modules/modDav.class.php
index f6aeeac64c9..cede86796a0 100644
--- a/htdocs/core/modules/modDav.class.php
+++ b/htdocs/core/modules/modDav.class.php
@@ -89,8 +89,8 @@ class modDav extends DolibarrModules
 		                        	'tpl' => 0,                                      	// Set this to 1 if module overwrite template dir (core/tpl)
 									'barcode' => 0,                                  	// Set this to 1 if module has its own barcode directory (core/modules/barcode)
 									'models' => 0,                                   	// Set this to 1 if module has its own models directory (core/modules/xxx)
-									'css' => array(''),	// Set this to relative path of css file if module has its own css file
-	 								'js' => array(''),          // Set this to relative path of js file if module must load a js on all pages
+									'css' => array(),	// Set this to relative path of css file if module has its own css file
+	 								'js' => array(),    // Set this to relative path of js file if module must load a js on all pages
 									'hooks' => array() 	// Set here all hooks context managed by module. To find available hook context, make a "grep -r '>initHooks(' *" on source code. You can also set hook context 'all'
 		                        );