diff --git a/main/inc/lib/display.lib.php b/main/inc/lib/display.lib.php
index 3bf6ace87c..bdc796593a 100755
--- a/main/inc/lib/display.lib.php
+++ b/main/inc/lib/display.lib.php
@@ -436,7 +436,7 @@ class Display
      * @param bool	$filter (true) or not (false)
      * @param bool $returnValue
      *
-     * @deprecated use Display::addFlash with Display::return_message($message, 'normal');
+     * @deprecated use Display::addFlash(Display::return_message($message, 'normal'));
      *
      * @return void
      */
@@ -454,7 +454,7 @@ class Display
      * Displays an warning message. Use this if you want to draw attention to something
      * This can also be used for instance with the hint in the exercises
      *
-     * @deprecated use Display::addFlash with Display::return_message
+     * @deprecated use Display::addFlash(Display::return_message($message, 'warning'));
      */
     public static function display_warning_message($message, $filter = true, $returnValue = false)
     {
@@ -469,7 +469,7 @@ class Display
     /**
      * Displays an confirmation message. Use this if something has been done successfully
      * @param bool	Filter (true) or not (false)
-     * @deprecated use Display::addFlash with Display::return_message
+     * @deprecated use Display::addFlash(Display::return_message($message, 'confirm'));
      * @return void
      */
     public static function display_confirmation_message($message, $filter = true, $returnValue = false)
@@ -487,7 +487,7 @@ class Display
      * @param string $message - include any additional html
      *                          tags if you need them
      * @param bool	Filter (true) or not (false)
-     * @deprecated use Display::addFlash with Display::return_message
+     * @deprecated use Display::addFlash(Display::return_message($message, 'error'));
      *
      * @return void
      */