diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 9a45a735716..3faf8e78770 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -85,17 +85,17 @@ class Holiday extends CommonObject
 	public $statut = ''; // 1=draft, 2=validated, 3=approved
 
 	/**
-	 * @var int 	ID of user that must approve. TODO: there is no date for validation (date_valid is used for approval), add one.
+	 * @var int 	ID of user that must approve. Real user for approval is fk_user_valid (old version) or fk_user_approve (new versions)
 	 */
 	public $fk_validator;
 
 	/**
-	 * @var int 	Date of approval. TODO: Add a field for approval date and use date_valid instead for validation.
+	 * @var int 	Date of validation or approval. TODO: Use date_valid instead for validation.
 	 */
 	public $date_valid = '';
 
 	/**
-	 * @var int 	ID of user that has approved (empty if not approved)
+	 * @var int 	ID of user that has validated or approved (empty if not approved)
 	 */
 	public $fk_user_valid;
 
diff --git a/htdocs/install/mysql/tables/llx_holiday.sql b/htdocs/install/mysql/tables/llx_holiday.sql
index 992f9502394..a5a05197aa6 100644
--- a/htdocs/install/mysql/tables/llx_holiday.sql
+++ b/htdocs/install/mysql/tables/llx_holiday.sql
@@ -33,8 +33,8 @@ date_fin       DATE NOT NULL,
 halfday        integer DEFAULT 0,				-- 0=start morning and end afternoon, -1=start afternoon end afternoon, 1=start morning and end morning, 2=start afternoon and end morning
 statut         integer NOT NULL DEFAULT '1',
 fk_validator   integer NOT NULL,				-- who should approve
-date_valid     DATETIME DEFAULT NULL,			-- date approval (both date valid and date_approval)
-fk_user_valid  integer DEFAULT NULL,			-- user approval (both user valid and user that approved)
+date_valid     DATETIME DEFAULT NULL,			-- date validation or approval (both date valid and date_approval)
+fk_user_valid  integer DEFAULT NULL,			-- user validation or approval (both user valid and user that approved)
 date_approve   DATETIME DEFAULT NULL,			-- date approval (not used yet)
 fk_user_approve integer DEFAULT NULL,			-- user approval (not used yet)
 date_refuse    DATETIME DEFAULT NULL,