diff --git a/.travis.yml b/.travis.yml
index bf810ea8cb4..3cc08657537 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -531,6 +531,9 @@ script:
     php upgrade.php 22.0.0 23.0.0 ignoredbversion > $TRAVIS_BUILD_DIR/upgrade22002300.log || cat $TRAVIS_BUILD_DIR/upgrade22002300.log
     php upgrade2.php 22.0.0 23.0.0 > $TRAVIS_BUILD_DIR/upgrade22002300-2.log || cat $TRAVIS_BUILD_DIR/upgrade22002300-2.log
     php step5.php 22.0.0 23.0.0 > $TRAVIS_BUILD_DIR/upgrade22002300-3.log || cat $TRAVIS_BUILD_DIR/upgrade22002300-3.log
+    php upgrade.php 23.0.0 24.0.0 ignoredbversion > $TRAVIS_BUILD_DIR/upgrade23002400.log || cat $TRAVIS_BUILD_DIR/upgrade23002400.log
+    php upgrade2.php 23.0.0 24.0.0 > $TRAVIS_BUILD_DIR/upgrade23002400-2.log || cat $TRAVIS_BUILD_DIR/upgrade23002400-2.log
+    php step5.php 23.0.0 24.0.0 > $TRAVIS_BUILD_DIR/upgrade23002400-3.log || cat $TRAVIS_BUILD_DIR/upgrade23002400-3.log
     set +e
     echo
 
diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 06776a7034f..ed3a1a238d6 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -7,7 +7,7 @@
  * Copyright (C) 2013       Florian Henry           <florian.henry@open-concept.pro>
  * Copyright (C) 2014       Cedric GROSS            <c.gross@kreiz-it.fr>
  * Copyright (C) 2015       Alexandre Spangaro      <aspangaro@open-dsi.fr>
- * Copyright (C) 2018-2025  Frédéric France         <frederic.france@free.fr>
+ * Copyright (C) 2018-2026  Frédéric France         <frederic.france@free.fr>
  * Copyright (C) 2019       Ferran Marcet	        <fmarcet@2byte.es>
  * Copyright (C) 2024-2025  MDW				        <mdeweerd@users.noreply.github.com>
  *
@@ -2064,7 +2064,7 @@ if ($id > 0 && $action != 'create') {
 	$delay_warning = getDolGlobalInt('MAIN_DELAY_ACTIONS_TODO') * 24 * 60 * 60;
 
 
-	// Confirmation suppression action
+	// Deletion confirmation action
 	if ($action == 'delete') {
 		print $form->formconfirm("card.php?id=".urlencode((string) ($id)), $langs->trans("DeleteAction"), $langs->trans("ConfirmDeleteAction"), "confirm_delete", '', '', 1);
 	}
diff --git a/htdocs/contrat/contact.php b/htdocs/contrat/contact.php
index 181af7fb3f6..10608f0a599 100644
--- a/htdocs/contrat/contact.php
+++ b/htdocs/contrat/contact.php
@@ -25,7 +25,7 @@
 /**
  *      \file       htdocs/contrat/contact.php
  *      \ingroup    contrat
- *      \brief      Onglet de gestion des contacts des contrats
+ *      \brief      Tab for management of contracts
  */
 
 // Load Dolibarr environment
diff --git a/htdocs/product/stats/contrat.php b/htdocs/product/stats/contrat.php
index 4a4698c0009..5a845a64cfb 100644
--- a/htdocs/product/stats/contrat.php
+++ b/htdocs/product/stats/contrat.php
@@ -2,7 +2,7 @@
 /* Copyright (C) 2003-2007 Rodolphe Quiedeville <rodolphe@quiedeville.org>
  * Copyright (C) 2004-2009 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@inodbox.com>
- * Copyright (C) 2024-2025  Frédéric France             <frederic.france@free.fr>
+ * Copyright (C) 2024-2026  Frédéric France             <frederic.france@free.fr>
  * Copyright (C) 2025		MDW							<mdeweerd@users.noreply.github.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -22,7 +22,7 @@
 /**
  *       \file       htdocs/product/stats/contrat.php
  *       \ingroup    product service contrat
- *       \brief      Page des stats des contrats pour un produit
+ *       \brief      Page of contracts stats for a product
  */
 
 // Load Dolibarr environment
diff --git a/htdocs/resource/element_resource.php b/htdocs/resource/element_resource.php
index b428bacb346..a45fea52620 100644
--- a/htdocs/resource/element_resource.php
+++ b/htdocs/resource/element_resource.php
@@ -2,7 +2,7 @@
 /* Copyright (C) 2013-2018	Jean-François Ferry		<hello+jf@librethic.io>
  * Copyright (C) 2016		Gilles Poirier 			<glgpoirier@gmail.com>
  * Copyright (C) 2019		Josep Lluís Amador		<joseplluis@lliuretic.cat>
- * Copyright (C) 2021-2025  Frédéric France			<frederic.france@free.fr>
+ * Copyright (C) 2021-2026  Frédéric France			<frederic.france@free.fr>
  * Copyright (C) 2023		William Mead			<william.mead@manchenumerique.fr>
  * Copyright (C) 2024-2025	MDW						<mdeweerd@users.noreply.github.com>
  *
@@ -339,7 +339,7 @@ if ($ret == -1) {
 if (!$ret) {
 	print '<div class="warning">'.$langs->trans('NoResourceInDatabase').'</div>';
 } else {
-	// Confirmation suppression resource line
+	// Deletion confirmation resource line
 	if ($action == 'delete_resource') {
 		print $form->formconfirm("element_resource.php?element=".$element."&element_id=".$element_id."&id=".$id."&lineid=".$lineid, $langs->trans("DeleteResource"), $langs->trans("ConfirmDeleteResourceElement"), "confirm_delete_linked_resource", '', '', 1);
 	}
diff --git a/htdocs/user/group/card.php b/htdocs/user/group/card.php
index 74b60465dee..81eb2638482 100644
--- a/htdocs/user/group/card.php
+++ b/htdocs/user/group/card.php
@@ -310,17 +310,12 @@ if ($action == 'create') {
 
 	print "</form>";
 } else {
-	/* ************************************************************************** */
-	/*                                                                            */
-	/* Visu et edition                                                            */
-	/*                                                                            */
-	/* ************************************************************************** */
 	if ($id) {
 		$head = group_prepare_head($object);
 		$title = $langs->trans("Group");
 
 		/*
-		 * Confirmation suppression
+		 * Deletion confirmation
 		 */
 		if ($action == 'delete') {
 			print $form->formconfirm($_SERVER['PHP_SELF']."?id=".$object->id, $langs->trans("DeleteAGroup"), $langs->trans("ConfirmDeleteGroup", $object->name), "confirm_delete", '', 0, 1);