diff --git a/graphs/test.php b/graphs/test.php
index 0cbc06f2ed75e387b3f4dd63319f8e574ffa806f..78e9469e4a8699d03623ce84cb8a4498c7f501ce 100644
--- a/graphs/test.php
+++ b/graphs/test.php
@@ -26,7 +26,7 @@ require_once('../API_Twitter/tweetInfosFunctions.php');
         "chart" => array(
             "caption" => "Evolution of likes : Last ".$count." tweets",
             //"subCaption" => "In MMbbl = One Million barrels",
-            "xAxisName" => "Tweet",
+            "xAxisName" => "Tweet (from most recent to oldest)",
             "yAxisName" => "Likes",
         	"lineThickness" => "2",
             "theme" => "fusion"