diff --git a/htdocs/core/lib/date.lib.php b/htdocs/core/lib/date.lib.php
index d4f29f1dfcc..48e347afbd1 100644
--- a/htdocs/core/lib/date.lib.php
+++ b/htdocs/core/lib/date.lib.php
@@ -504,7 +504,7 @@ function dol_get_last_day($year, $month = 12, $gm = false)
 
 /**	Return GMT time for last hour of a given GMT date (it removes hours, min and second part)
  *
- *	@param		int			$date
+ *	@param		int			$date		Date
  *  @return		int						Date for last hour of a given date
  */
 function dol_get_last_hour($date)
@@ -515,7 +515,7 @@ function dol_get_last_hour($date)
 
 /**	Return GMT time for first hour of a given GMT date (it removes hours, min and second part)
  *
- *	@param		int			$date
+ *	@param		int			$date		Date
  *  @return		int						Date for last hour of a given date
  */
 function dol_get_first_hour($date)