diff --git a/plugins/box/system/system.admin.php b/plugins/box/system/system.admin.php
index 5693339..b1372aa 100755
--- a/plugins/box/system/system.admin.php
+++ b/plugins/box/system/system.admin.php
@@ -17,7 +17,7 @@ function checkMonstraVersion()
                         var current_monstra_version = "'.Monstra::VERSION.'";
                         var stable_monstra_version = data.version;
                         if (current_monstra_version < stable_monstra_version) {
-                            $("#update-monstra").addClass("alert").html("'.__("Published a new version of the :monstra", "system", array(":monstra" => "<a target='_blank' href='http://monstra.org/download'>Monstra</a>")).'");
+                            $("#update-monstra").addClass("alert alert-info").html("'.__("Published a new version of the :monstra", "system", array(":monstra" => "<a target='_blank' href='http://monstra.org/download'>Monstra</a>")).'");
                         }
                     }
                 );