diff --git a/htdocs/expedition/dispatch.php b/htdocs/expedition/dispatch.php
index f2320c49163..86408126d02 100644
--- a/htdocs/expedition/dispatch.php
+++ b/htdocs/expedition/dispatch.php
@@ -7,7 +7,7 @@
  * Copyright (C) 2014       Cedric Gross            <c.gross@kreiz-it.fr>
  * Copyright (C) 2016       Florian Henry           <florian.henry@atm-consulting.fr>
  * Copyright (C) 2017-2022  Ferran Marcet           <fmarcet@2byte.es>
- * Copyright (C) 2018-2025  Frédéric France         <frederic.france@free.fr>
+ * Copyright (C) 2018-2026  Frédéric France         <frederic.france@free.fr>
  * Copyright (C) 2019-2020  Christophe Battarel	    <christophe@altairis.fr>
  * Copyright (C) 2024-2026	MDW						<mdeweerd@users.noreply.github.com>
  *
@@ -1702,7 +1702,7 @@ if ($object->id > 0 || !empty($object->ref)) {
 		print $formother->getHTMLScannerForm("barcodescannerjs", 'all', 1);
 	}
 
-	// traitement entrepot par défaut
+	// default warehouse handling
 	print '<script type="text/javascript">
 		$(document).ready(function () {
 			$("select[name=fk_default_warehouse]").change(function() {
diff --git a/htdocs/expensereport/card.php b/htdocs/expensereport/card.php
index 471522e4cce..44d8696afae 100644
--- a/htdocs/expensereport/card.php
+++ b/htdocs/expensereport/card.php
@@ -2698,7 +2698,7 @@ if ($action == 'create') {
 				print '</td>';
 
 				print '</tr>';
-			} // Fin si c'est payé/validé
+			} // End if paid/validated
 
 			print '</table>';
 			print '</div>';
@@ -2739,7 +2739,7 @@ if ($action == 'create') {
                     path += "&vatrate="+tva;
                     path += "&qty="+qty;
 
-                    if (type_fee == 4) { // frais_kilométriques
+                    if (type_fee == 4) { // mileage expenses
                         if (tax_cat == "" || parseInt(tax_cat) <= 0){
                             return ;
                         }
@@ -2820,9 +2820,9 @@ if ($action != 'create' && $action != 'edit' && $action != 'editline') {
 	}
 
 	/* If status is "Draft"
-	 *	ET user à droit "creer/supprimer"
-	 *	ET fk_user_author == user courant
-	 * 	Afficher : "Enregistrer" / "Modifier" / "Supprimer"
+	 *	AND user has "create/delete" right
+	 *	AND fk_user_author == current user
+	 * 	Show: "Save" / "Modify" / "Delete"
 	 */
 	if ($user->hasRight('expensereport', 'creer') && $object->status == ExpenseReport::STATUS_DRAFT) {
 		if (in_array($object->fk_user_author, $childids) || $user->hasRight('expensereport', 'writeall_advance')) {
@@ -2836,10 +2836,10 @@ if ($action != 'create' && $action != 'edit' && $action != 'editline') {
 		}
 	}
 
-	/* If status if "Refused"
-	 *	ET user à droit "creer/supprimer"
-	 *	ET fk_user_author == user courant
-	 * 	Afficher : "Enregistrer" / "Modifier" / "Supprimer"
+	/* If status is "Refused"
+	 *	AND user has "create/delete" right
+	 *	AND fk_user_author == current user
+	 * 	Show: "Save" / "Modify" / "Delete"
 	 */
 	if ($user->hasRight('expensereport', 'creer') && $object->status == ExpenseReport::STATUS_REFUSED) {
 		if ($user->id == $object->fk_user_author || $user->id == $object->fk_user_valid) {
@@ -2857,10 +2857,10 @@ if ($action != 'create' && $action != 'edit' && $action != 'editline') {
 		}
 	}
 
-	/* Si l'état est "En attente d'approbation"
-	 *	ET user à droit de "approve"
-	 *	ET fk_user_validator == user courant
-	 *	Afficher : "Valider" / "Refuser" / "Supprimer"
+	/* If status is "Pending approval"
+	 *	AND user has "approve" right
+	 *	AND fk_user_validator == current user
+	 *	Show: "Validate" / "Refuse" / "Delete"
 	 */
 	if ($object->status == ExpenseReport::STATUS_VALIDATED) {
 		if (in_array($object->fk_user_author, $childids)) {
diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index ca462a21c75..011c2e65b94 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -6,7 +6,7 @@
  * Copyright (c) 2018-2024  Frédéric France         <frederic.france@free.fr>
  * Copyright (C) 2016-2020 	Ferran Marcet       	<fmarcet@2byte.es>
  * Copyright (C) 2024-2026	MDW							<mdeweerd@users.noreply.github.com>
- * Copyright (C) 2024-2025  Frédéric France             <frederic.france@free.fr>
+ * Copyright (C) 2024-2026  Frédéric France             <frederic.france@free.fr>
  * Copyright (C) 2025       William Mead            <william@m34d.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -1467,7 +1467,7 @@ class ExpenseReport extends CommonObject
 	public function set_save_from_refuse($fuser)
 	{
 		// phpcs:enable
-		// Sélection de la date de début de la NDF
+		// Select the start date of the expense report
 		$sql = 'SELECT date_debut';
 		$sql .= ' FROM '.MAIN_DB_PREFIX.$this->table_element;
 		$sql .= " WHERE rowid = ".((int) $this->id);
@@ -2107,7 +2107,7 @@ class ExpenseReport extends CommonObject
 					$this->error = 'ExpenseReportConstraintViolationError';
 					$this->errors[] = $this->error;
 
-					$new_current_total_ttc -= $amount_to_test - $rule->amount; // ex, entered 16€, limit 12€, subtracts 4€;
+					$new_current_total_ttc -= $amount_to_test - $rule->amount; // ex: entered 16 EUR, limit 12 EUR, subtracts 4 EUR
 					$rule_warning_message_tab[] = $langs->trans('ExpenseReportConstraintViolationError', $rule->id, price($amount_to_test, 0, $langs, 1, -1, -1, $conf->currency), price($rule->amount, 0, $langs, 1, -1, -1, $conf->currency));
 				} else {
 					$this->error = 'ExpenseReportConstraintViolationWarning';
diff --git a/htdocs/fichinter/card-rec.php b/htdocs/fichinter/card-rec.php
index 1695f7c2cb9..e33090fad2c 100644
--- a/htdocs/fichinter/card-rec.php
+++ b/htdocs/fichinter/card-rec.php
@@ -153,7 +153,7 @@ if ($action == 'add' && $permissiontoadd) {
 		$error++;
 	}
 
-	// gestion des fréquences et des échéances
+	// frequency and due date management
 	$frequency = GETPOSTINT('frequency');
 	$rec_year = GETPOST('rec_year');
 	$rec_month = GETPOST('rec_month');
diff --git a/htdocs/fichinter/class/fichinterrec.class.php b/htdocs/fichinter/class/fichinterrec.class.php
index cff28668e28..a66556bba76 100644
--- a/htdocs/fichinter/class/fichinterrec.class.php
+++ b/htdocs/fichinter/class/fichinterrec.class.php
@@ -8,7 +8,7 @@
  * Copyright (C) 2015       Marcos García			<marcosgdf@gmail.com>
  * Copyright (C) 2016-2018  Charlie Benke			<charlie@patas-monkey.com>
  * Copyright (C) 2024		William Mead			<william.mead@manchenumerique.fr>
- * Copyright (C) 2024-2025  Frédéric France             <frederic.france@free.fr>
+ * Copyright (C) 2024-2026  Frédéric France             <frederic.france@free.fr>
  * Copyright (C) 2024-2025	MDW							<mdeweerd@users.noreply.github.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -129,7 +129,7 @@ class FichinterRec extends Fichinter
 	{
 		$this->db = $db;
 
-		//status dans l'ordre de l'intervention
+		// status in intervention order
 		$this->labelStatus[0] = 'Draft';
 		$this->labelStatus[1] = 'Closed';
 
@@ -875,7 +875,7 @@ class FichinterRec extends Fichinter
 		$sql = 'UPDATE '.MAIN_DB_PREFIX.$this->table_element;
 		$sql .= ' SET nb_gen_done = nb_gen_done + 1';
 		$sql .= ' , date_last_gen = now()';
-		// si on et arrivé à la fin des génération
+		// if we have reached the end of the generation cycle
 		if ($this->nb_gen_max <= $this->nb_gen_done + 1) {
 			$sql .= ' , status = 1';
 		}