diff --git a/htdocs/core/db/DoliDB.class.php b/htdocs/core/db/DoliDB.class.php
index 64f84471e40..cf6b9001422 100644
--- a/htdocs/core/db/DoliDB.class.php
+++ b/htdocs/core/db/DoliDB.class.php
@@ -85,7 +85,7 @@ abstract class DoliDB implements Database
 	 *   Function to use to build INSERT, UPDATE or WHERE predica
 	 *
 	 *   @param	    int		$param      	Date TMS to convert
-	 *   @return	string      			Date in a string YYYYMMDDHHMMSS
+	 *   @return	string      			Date in a string YYYY-MM-DD HH:MM:SS
 	 */
 	function idate($param)
 	{
diff --git a/htdocs/core/db/mssql.class.php b/htdocs/core/db/mssql.class.php
index 79a0e212dfc..4734c3364b5 100644
--- a/htdocs/core/db/mssql.class.php
+++ b/htdocs/core/db/mssql.class.php
@@ -563,7 +563,7 @@ class DoliDBMssql extends DoliDB
 	 *   Function to use to build INSERT, UPDATE or WHERE predica
 	 *
 	 *   @param	    string	$param      Date TMS to convert
-	 *   @return	string      		Date in a string YYYYMMDDHHMMSS
+	 *   @return	string      		Date in a string YYYY-MM-DD HH:MM:SS
 	 */
 	function idate($param)
 	{
diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index 1ba8f183cbb..8e57b29109e 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -658,7 +658,7 @@ class DoliDBPgsql extends DoliDB
 	 *   Function to use to build INSERT, UPDATE or WHERE predica
 	 *
 	 *   @param	    string	$param      Date TMS to convert
-	 *   @return	string   			Date in a string YYYYMMDDHHMMSS
+	 *   @return	string   			Date in a string YYYY-MM-DD HH:MM:SS
 	 */
 	function idate($param)
 	{