diff --git a/htdocs/admin/menus.php b/htdocs/admin/menus.php
index d265b91868a..f87d1965bc7 100644
--- a/htdocs/admin/menus.php
+++ b/htdocs/admin/menus.php
@@ -217,10 +217,20 @@ else
 	print '<td>';
 	$filelib=preg_replace('/.php$/i','',(empty($conf->global->MAIN_MENU_SMARTPHONE_FORCED)?$conf->global->MAIN_MENU_SMARTPHONE:$conf->global->MAIN_MENU_SMARTPHONE_FORCED));
 	print $filelib;
+	if (preg_match('/smartphone/',$conf->global->MAIN_MENU_SMARTPHONE_FORCED) 
+	|| (empty($conf->global->MAIN_MENU_SMARTPHONE_FORCED) && preg_match('/smartphone/',$conf->global->MAIN_MENU_SMARTPHONE)))
+	{
+		print ' '.img_warning($langs->trans("ThisForceAlsoTheme"));
+	}
 	print '</td>';
 	print '<td>';
 	$filelib=preg_replace('/.php$/i','',(empty($conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED)?$conf->global->MAIN_MENUFRONT_SMARTPHONE:$conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED));
 	print $filelib;
+	if (preg_match('/smartphone/',$conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED)
+	|| (empty($conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED) && preg_match('/smartphone/',$conf->global->MAIN_MENUFRONT_SMARTPHONE)))
+	{
+		print ' '.img_warning($langs->trans("ThisForceAlsoTheme"));
+	}
 	print '</td>';
 	print '</tr>';
 
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index b0b5a9804f2..6501914d8ae 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -292,6 +292,7 @@ FirstnameNamePosition=Position of Name/Lastname
 DescWeather=The following pictures will be shown on dashboard when number of late actions reach the following values:
 KeyForWebServicesAccess=Key to use Web Services (parameter "dolibarrkey" in webservices)
 TestSubmitForm=Input test form
+ThisForceAlsoTheme=Using this menu manager will also use its own theme whatever is user choice. Also this menu manager specialized for smartphones does not works on all smartphone. Use another menu manager if you epxerience problems on yours. 
 
 # Modules
 Module0Name=Users & groups
diff --git a/htdocs/langs/fr_FR/admin.lang b/htdocs/langs/fr_FR/admin.lang
index 39377ce5c91..4e29884c955 100644
--- a/htdocs/langs/fr_FR/admin.lang
+++ b/htdocs/langs/fr_FR/admin.lang
@@ -292,6 +292,7 @@ FirstnameNamePosition=Ordre affichage prénom/nom
 DescWeather=Les graphiques suivant seront affichées sur le tableau de bord si le nombre d'éléments en retard atteints ces valeurs:
 KeyForWebServicesAccess=Clé pour utiliser les Web Services (paramètre "dolibarrkey" dans les webservices)
 TestSubmitForm=Formulaire de test de saisie
+ThisForceAlsoTheme=Utiliser ce gestionnaire de menu force aussi le theme quelquesoit le choix de theme de l'utilisateur. De plus, ce gestionnaire de menu, spécialisé pour smartphone, ne fonctionne que sur certains téléphones. Utiliser un autre gestionnaire si vous constatez des problèmes.
 
 # Modules= undefined
 Module0Name= Utilisateurs & groupes