diff --git a/htdocs/compta/facture/invoicetemplate_list.php b/htdocs/compta/facture/invoicetemplate_list.php
index 7d3d8be8314..63d13ba935d 100644
--- a/htdocs/compta/facture/invoicetemplate_list.php
+++ b/htdocs/compta/facture/invoicetemplate_list.php
@@ -128,8 +128,8 @@ $arrayfields=array(
 	'f.frequency'=>array('label'=>$langs->trans("Frequency"), 'checked'=>1),
 	'f.unit_frequency'=>array('label'=>$langs->trans("FrequencyUnit"), 'checked'=>1),
 	'f.nb_gen_done'=>array('label'=>$langs->trans("NbOfGenerationDoneShort"), 'checked'=>1),
-	'f.date_last_gen'=>array('label'=>$langs->trans("DateLastGeneration"), 'checked'=>1),
-	'f.date_when'=>array('label'=>$langs->trans("NextDateToExecution"), 'checked'=>1),
+	'f.date_last_gen'=>array('label'=>$langs->trans("DateLastGenerationShort"), 'checked'=>1),
+	'f.date_when'=>array('label'=>$langs->trans("NextDateToExecutionShort"), 'checked'=>1),
 	'status'=>array('label'=>$langs->trans("Status"), 'checked'=>1, 'position'=>100),
 	'f.datec'=>array('label'=>$langs->trans("DateCreation"), 'checked'=>0, 'position'=>500),
 	'f.tms'=>array('label'=>$langs->trans("DateModificationShort"), 'checked'=>0, 'position'=>500),
diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index e048b7aa647..5f832ac37ea 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -334,7 +334,9 @@ FrequencyPer_y=Every %s years
 FrequencyUnit=Frequency unit
 toolTipFrequency=Examples:<br><b>Set 7, Day</b>: give a new invoice every 7 days<br><b>Set 3, Month</b>: give a new invoice every 3 month
 NextDateToExecution=Date for next invoice generation
+NextDateToExecutionShort=Date next gen.
 DateLastGeneration=Date of latest generation
+DateLastGenerationShort=Date latest gen.
 MaxPeriodNumber=Max nb of invoice generation
 NbOfGenerationDone=Nb of invoice generation already done
 NbOfGenerationDoneShort=Nb of generation done