diff --git a/htdocs/core/modules/societe/mod_codeclient_elephant.php b/htdocs/core/modules/societe/mod_codeclient_elephant.php
index 430c50fb401..3a7d2c00613 100644
--- a/htdocs/core/modules/societe/mod_codeclient_elephant.php
+++ b/htdocs/core/modules/societe/mod_codeclient_elephant.php
@@ -53,7 +53,10 @@ class mod_codeclient_elephant extends ModeleThirdPartyCode
      */
 	public $version = 'dolibarr';    		// 'development', 'experimental', 'dolibarr'
 
-	public $code_auto;                     // Numerotation automatique
+	/**
+	 * @var int Automatic numbering
+	 */
+	public $code_auto;
 
 	public $searchcode; // String de recherche
 
diff --git a/htdocs/core/modules/societe/mod_codeclient_leopard.php b/htdocs/core/modules/societe/mod_codeclient_leopard.php
index 4ba5e490b07..80bb3013904 100644
--- a/htdocs/core/modules/societe/mod_codeclient_leopard.php
+++ b/htdocs/core/modules/societe/mod_codeclient_leopard.php
@@ -57,7 +57,10 @@ class mod_codeclient_leopard extends ModeleThirdPartyCode
      */
 	public $version = 'dolibarr';    		// 'development', 'experimental', 'dolibarr'
 
-	public $code_auto; 	                // Numerotation automatique
+	/**
+	 * @var int Automatic numbering
+	 */
+	public $code_auto;
 
 
 	/**
diff --git a/htdocs/core/modules/societe/mod_codeclient_monkey.php b/htdocs/core/modules/societe/mod_codeclient_monkey.php
index 89774161635..6273f5e74ef 100644
--- a/htdocs/core/modules/societe/mod_codeclient_monkey.php
+++ b/htdocs/core/modules/societe/mod_codeclient_monkey.php
@@ -51,7 +51,10 @@ class mod_codeclient_monkey extends ModeleThirdPartyCode
      */
 	public $version = 'dolibarr';	    	// 'development', 'experimental', 'dolibarr'
 
-	public $code_auto;                     // Numerotation automatique
+	/**
+	 * @var int Automatic numbering
+	 */
+	public $code_auto;
 
 	public $prefixcustomer='CU';