diff --git a/htdocs/admin/pdf_other.php b/htdocs/admin/pdf_other.php
index 21596154a0e..493f9d4e876 100644
--- a/htdocs/admin/pdf_other.php
+++ b/htdocs/admin/pdf_other.php
@@ -373,7 +373,7 @@ if (isModEnabled('invoice')) {
 	print '<tr class="liste_titre"><td class="titlefieldmiddle">'.$langs->trans("Parameters").'</td><td width="200px">'.$langs->trans("Value").'</td></tr>';
 
 	print '<tr class="oddeven"><td>';
-	print $form->textwithpicto($langs->trans("MAIN_PDF_ADD_TERMSOFSALE_INVOICE"), '');
+	print $form->textwithpicto($langs->trans("MAIN_PDF_ADD_TERMSOFSALE_INVOICE"), $langs->trans("PdfAddTermOfSaleHelp"));
 	print '</td><td>';
 	if ($conf->use_javascript_ajax) {
 		print ajax_constantonoff('MAIN_PDF_ADD_TERMSOFSALE_INVOICE');
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index fc741b99509..238d6185f15 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -2593,3 +2593,4 @@ Decrypt=Decrypt
 FilesIntegrityDesc=If you want to check the integrity of files instead of database, you can do it by using <a href="%s">this tool</a>.
 AttributeCodeHelp=A code of your choice (without special char and space) to identify the property.<br>Note that if an object B is created from an existing object A that has a different type (for example creation of an invoice from an order), the value of the complementary attributes of A are also copied into the complementary attributes of B when the code of the attribute is the same.
 ThereIsMoreThanXAnswers=There is more than %s answers with your filter. Please add more filters...
+PdfAddTermOfSaleHelp=Upload the condition of sales from file input at the bottom of this setup page
\ No newline at end of file