diff --git a/pandora_console/include/lib/Dashboard/Widgets/single_graph.php b/pandora_console/include/lib/Dashboard/Widgets/single_graph.php
index dd8cb160a7..dbca9fa5f0 100644
--- a/pandora_console/include/lib/Dashboard/Widgets/single_graph.php
+++ b/pandora_console/include/lib/Dashboard/Widgets/single_graph.php
@@ -328,7 +328,7 @@ class SingleGraphWidget extends Widget
 
         // Autocomplete module.
         $inputs[] = [
-            'label'     => __('Module'),
+            'label'     => __('Module').ui_print_help_tip(__('Warning, this requires to have data for a mid-term (days/weeks) of the source data, if not, projection will not be reliable.'), true),
             'arguments' => [
                 'type'           => 'autocomplete_module',
                 'name'           => 'moduleId',