diff --git a/htdocs/langs/en_US/stocks.lang b/htdocs/langs/en_US/stocks.lang
index df1034eb43f..72e86b04dc9 100644
--- a/htdocs/langs/en_US/stocks.lang
+++ b/htdocs/langs/en_US/stocks.lang
@@ -256,3 +256,4 @@ ObjectNotFound=%s not found
 MakeMovementsAndClose=Generate movements and close
 AutofillWithExpected=Fill real quantity with expected quantity
 ShowAllBatchByDefault=By default, show batch details on product "stock" tab
+CollapseBatchDetailHelp=You can set batch detail default display in stocks module configuration
diff --git a/htdocs/langs/fr_FR/stocks.lang b/htdocs/langs/fr_FR/stocks.lang
index 2e6e3d257ee..afcf06fe119 100644
--- a/htdocs/langs/fr_FR/stocks.lang
+++ b/htdocs/langs/fr_FR/stocks.lang
@@ -256,3 +256,4 @@ ObjectNotFound=%s not found
 MakeMovementsAndClose=Generate movements and close
 AutofillWithExpected=Fill real quantity with expected quantity
 ShowAllBatchByDefault=Dérouler par défaut le détail des lots dans l'onglet "stock"
+CollapseBatchDetailHelp=Vous pouvez définir l'affichage par défaut du détail des lots dans la configuration du module stocks
diff --git a/htdocs/product/stock/product.php b/htdocs/product/stock/product.php
index 5418e82f17e..f089632118d 100644
--- a/htdocs/product/stock/product.php
+++ b/htdocs/product/stock/product.php
@@ -900,7 +900,8 @@ if (!$variants) {
 		$colspan = 3;
 		print '<tr class="liste_titre"><td width="14%">';
 		print '<a id="show_all" href="#">'.img_picto('', 'folder-open', 'class="paddingright"').$langs->trans("ExpandAll").'</a><br>';
-		print '<a id="hide_all" href="#">'.img_picto('', 'folder', 'class="paddingright"').$langs->trans("UndoExpandAll").'</a>';
+		print '<a id="hide_all" href="#">'.img_picto('', 'folder', 'class="paddingright"').$langs->trans("UndoExpandAll").'</a>&nbsp;';
+		print $form->textwithpicto('', $langs->trans('CollapseBatchDetailHelp'), 1, 'help', '');
 		print '</td>';
 		print '<td class="right">'.$langs->trans("batch_number").'</td>';
 		if (empty($conf->global->PRODUCT_DISABLE_EATBY)) {