diff --git a/htdocs/langs/en_US/website.lang b/htdocs/langs/en_US/website.lang
index a05ead24df7..ec8bc0c2232 100644
--- a/htdocs/langs/en_US/website.lang
+++ b/htdocs/langs/en_US/website.lang
@@ -107,4 +107,5 @@ DeleteAlsoMedias=Delete also all medias files specific to this website?
 MyWebsitePages=My website pages
 SearchReplaceInto=Search | Replace into
 ReplaceString=New string
-CSSContentTooltipHelp=Enter here CSS content. To avoid any conflict with the CSS of the application, be sure to prepend all declaration with the .bodywebsite class. For example:<br><br>#mycssselector, input.myclass:hover { ... }<br>must be<br>.bodywebsite #mycssselector, .bodywebsite input.myclass:hover { ... }<br><br>Note: If you have a large file without this prefix, you can use 'lessc' to convert it to append the .bodywebsite prefix everywhere.  
\ No newline at end of file
+CSSContentTooltipHelp=Enter here CSS content. To avoid any conflict with the CSS of the application, be sure to prepend all declaration with the .bodywebsite class. For example:<br><br>#mycssselector, input.myclass:hover { ... }<br>must be<br>.bodywebsite #mycssselector, .bodywebsite input.myclass:hover { ... }<br><br>Note: If you have a large file without this prefix, you can use 'lessc' to convert it to append the .bodywebsite prefix everywhere.
+LinkAndScriptsHereAreNotLoadedInEditor=Warning: This content is output only when site is accessed from a server. It is not used in Edit mode so if you need to load javascript files also in edit mode, just add your tag 'script src=...' into the page.
\ No newline at end of file
diff --git a/htdocs/website/index.php b/htdocs/website/index.php
index 3624843dba7..8797020a717 100644
--- a/htdocs/website/index.php
+++ b/htdocs/website/index.php
@@ -2578,9 +2578,12 @@ if ($action == 'editcss')
 
 	// Common HTML header
 	print '<tr><td class="tdtop">';
+	print $langs->trans('WEBSITE_HTML_HEADER');
 	$htmlhelp=$langs->trans("Example").' :<br>';
 	$htmlhelp.=dol_htmlentitiesbr($htmlheadercontentdefault);
-	print $form->textwithpicto($langs->trans('WEBSITE_HTML_HEADER'), $htmlhelp, 1, 'help', '', 0, 2, 'htmlheadertooltip');
+	$textwithhelp = $form->textwithpicto('', $htmlhelp, 1, 'help', '', 0, 2, 'htmlheadertooltip');
+	$htmlhelp2=$langs->trans("LinkAndScriptsHereAreNotLoadedInEditor").'<br>';
+	print $form->textwithpicto($textwithhelp, $htmlhelp2, 1, 'warning', '', 0, 2, 'htmlheadertooltip2');
 	print '</td><td>';
 
 	$doleditor=new DolEditor('WEBSITE_HTML_HEADER', $htmlheadercontent, '', '220', 'ace', 'In', true, false, 'ace', 0, '100%', '');