diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 0d6679ad307..00bb5295638 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -1709,7 +1709,7 @@ class ActionComm extends CommonObject
 
 	/**
 	 *  Return URL of event
-	 *  Use $this->id, $this->type_code, $this->label and $this->type_label
+	 *  This uses $this->id, $this->type_code, $this->label and $this->type_label
 	 *
 	 *  @param	int<0,2>	$withpicto				0 = No picto, 1 = Include picto into link, 2 = Only picto
 	 *  @param	int			$maxlength				Max number of characters into label. If negative, use the ref as label.
@@ -1762,7 +1762,7 @@ class ActionComm extends CommonObject
 		if (getDolGlobalInt('MAIN_ENABLE_AJAX_TOOLTIP')) {
 			$classfortooltip = 'classforajaxtooltip';
 			$dataparams = ' data-params="'.dol_escape_htmltag(json_encode($params)).'"';
-			$label = '';
+			//$label = '';		// $label is used as ref when $maxlength is not negative, so we must not empty it.
 		} else {
 			$label = implode($this->getTooltipContentArray($params));
 		}
diff --git a/htdocs/compta/facture/messaging.php b/htdocs/compta/facture/messaging.php
index 641e19f3423..9e94d51e8de 100644
--- a/htdocs/compta/facture/messaging.php
+++ b/htdocs/compta/facture/messaging.php
@@ -262,3 +262,8 @@ if ($object->id > 0) {
 		show_actions_messaging($conf, $langs, $db, $object, null, 0, $actioncode, '', $filters, $sortfield, $sortorder);
 	}
 }
+
+
+// End of page
+llxFooter();
+$db->close();
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index f72e6bc4780..aac6d8c4eeb 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -15659,9 +15659,11 @@ function show_actions_messaging($conf, $langs, $db, $filterobj, $objcon = null,
 
 		$out .= "</ul>\n";
 
+		// Code to manage the click on button data-read-more-action to show full description of an event
 		$out .= '<script>
 				jQuery(document).ready(function () {
 				   $(document).on("click", "[data-read-more-action]", function(e){
+						console.log("We click on data-read-more-action");
 					   let readMoreBloc = $(this).closest(".readmore-block");
 					   if(readMoreBloc.length > 0){
 							e.preventDefault();