diff --git a/plugins/moodle/moodle_files.php b/plugins/moodle/moodle_files.php
index dedd897a..cdf6c978 100644
--- a/plugins/moodle/moodle_files.php
+++ b/plugins/moodle/moodle_files.php
@@ -119,7 +119,7 @@ echo "graph_title Moodle Files Size\n";
 echo "graph_args --base 1024 --lower-limit 0\n";
 echo "graph_vlabel size\n";
 echo "graph_category Moodle\n";
-echo "graph_scale no\n";
+echo "graph_scale yes\n";
 echo "graph_total total\n";
 echo "graph_info Displays the total size of moodle users files and repartition by type\n";
 
diff --git a/plugins/moodle/moodle_logs.php b/plugins/moodle/moodle_logs.php
index e25df714..f6e0a2e8 100644
--- a/plugins/moodle/moodle_logs.php
+++ b/plugins/moodle/moodle_logs.php
@@ -4,6 +4,9 @@
  * Moodle Logs
  * Munin plugin to count logs entries
  *
+ * Note : This plugin does not support Moodle 2.7 or newer versions
+ * If you want to use this plugin with Moodle 2.7 you have to enable logstore_legacy mode in your Moodle settings
+ *
  * It's required to define a container entry for this plugin in your
  * /etc/munin/plugin-conf.d/moodle.conf
  *
diff --git a/plugins/moodle/moodle_modules_total.php b/plugins/moodle/moodle_modules_total.php
index 60d813eb..3f054494 100644
--- a/plugins/moodle/moodle_modules_total.php
+++ b/plugins/moodle/moodle_modules_total.php
@@ -54,7 +54,7 @@ if (count($argv) === 2 && $argv[1] === 'config') {
     echo "graph_category Moodle\n";
     echo "graph_scale no\n";
     echo "graph_info Displays the sum of module, as well as module instance number by type, in your Moodle site\n";
-    echo "graph_total.label total\n";
+    echo "graph_total total\n";
     $draw = "AREA";
     foreach($data as $entry) {
         echo "modules_".$entry->modulename.".label ".$entry->modulename."\n";