diff --git a/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php b/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php
index f62b699b4ef..9b49be6063f 100644
--- a/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php
+++ b/htdocs/core/modules/bank/doc/pdf_sepamandate.modules.php
@@ -114,7 +114,7 @@ class pdf_sepamandate extends ModeleBankAccountDoc
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "dict", "withdrawals", "companies", "projects", "bills"));
 
 		if (! empty($conf->bank->dir_output))
diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index 9cbd5f31959..c7c032bbddc 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -1239,7 +1239,7 @@ class pdf_einstein extends ModelePDFCommandes
 	{
 		global $conf,$langs,$hookmanager;
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "bills", "propal", "orders", "companies"));
 
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
diff --git a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
index 5ba56d8b73d..4e8036c7eea 100644
--- a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
+++ b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
@@ -216,6 +216,7 @@ class doc_generic_contract_odt extends ModelePDFContract
 		$sav_charset_output=$outputlangs->charset_output;
 		$outputlangs->charset_output='UTF-8';
 
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "dict", "companies", "bills"));
 
 		if ($conf->contrat->dir_output)
diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index c7c393c96e3..fe0a79c6c8e 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -180,7 +180,7 @@ class pdf_strato extends ModelePDFContract
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "dict", "companies", "contracts"));
 
 		if ($conf->contrat->dir_output)
@@ -542,7 +542,7 @@ class pdf_strato extends ModelePDFContract
 
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "dict", "contract", "companies"));
 
 		pdf_pagehead($pdf,$outputlangs,$this->page_hauteur);
diff --git a/htdocs/core/modules/dons/html_cerfafr.modules.php b/htdocs/core/modules/dons/html_cerfafr.modules.php
index 3890c03ba62..8f6c10119c4 100644
--- a/htdocs/core/modules/dons/html_cerfafr.modules.php
+++ b/htdocs/core/modules/dons/html_cerfafr.modules.php
@@ -83,6 +83,7 @@ class html_cerfafr extends ModeleDon
 
 		if (! is_object($outputlangs)) $outputlangs=$langs;
 
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "dict", "companies", "bills", "products", "donations"));
 
 		$currency = !empty($currency) ? $currency : $conf->currency;
diff --git a/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php b/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php
index 53738f23df2..8277ff40820 100644
--- a/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php
+++ b/htdocs/core/modules/expedition/doc/doc_generic_shipment_odt.modules.php
@@ -227,6 +227,7 @@ class doc_generic_shipment_odt extends ModelePdfExpedition
 		$sav_charset_output=$outputlangs->charset_output;
 		$outputlangs->charset_output='UTF-8';
 
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "dict", "companies", "bills"));
 
 		if ($conf->expedition->dir_output."/sending")
diff --git a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
index 68f6f544fc4..3d786bf111d 100644
--- a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
@@ -165,7 +165,7 @@ class pdf_merou extends ModelePdfExpedition
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "bills", "products", "dict", "companies", "propal", "deliveries", "sendings", "productbatch"));
 
 		if ($conf->expedition->dir_output)
diff --git a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
index 8086667a4f5..e4ded69fe9c 100644
--- a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
@@ -196,7 +196,7 @@ class pdf_rouget extends ModelePdfExpedition
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "bills", "products", "dict", "companies", "propal", "deliveries", "sendings", "productbatch"));
 
 		$nblignes = count($object->lines);
diff --git a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
index ec06221e5de..0cfa9fddb5c 100644
--- a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
@@ -211,7 +211,7 @@ class pdf_standard extends ModeleExpenseReport
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "trips", "projects", "dict"));
 
 		$nblignes = count($object->lines);
@@ -568,9 +568,9 @@ class pdf_standard extends ModeleExpenseReport
 	 */
 	function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
-		global $conf,$langs,$hookmanager;
+		global $conf, $langs, $hookmanager;
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "trips", "companies"));
 
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index 7d39969ece9..555e2f76ee0 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -239,7 +239,7 @@ class pdf_crabe extends ModelePDFFactures
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "bills", "products", "dict", "companies"));
 
 		$nblignes = count($object->lines);
@@ -1574,7 +1574,7 @@ class pdf_crabe extends ModelePDFFactures
 	{
 		global $conf, $langs;
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "bills", "propal", "companies"));
 
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
diff --git a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
index c51e0452481..f9576a974f1 100644
--- a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
+++ b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
@@ -172,7 +172,7 @@ class pdf_soleil extends ModelePDFFicheinter
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO
 		if (! empty($conf->global->MAIN_USE_FPDF)) $outputlangs->charset_output='ISO-8859-1';
 
-		// Translations
+		// Load traductions files requiredby by page
 		$outputlangs->loadLangs(array("main", "interventions", "dict", "companies"));
 
 		if ($conf->ficheinter->dir_output)