diff --git a/src/Backend.php b/src/Backend.php
index 8f479f0..ecfc6d5 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -21,16 +21,14 @@ use dcFavorites;
 use dcNsProcess;
 use dcPage;
 
-/**
- * Manage contributions list
- */
 class Backend extends dcNsProcess
 {
     public static function init(): bool
     {
         static::$init = defined('DC_CONTEXT_ADMIN')
-            && dcCore::app()->auth?->isSuperAdmin()
-            && My::phpCompliant();
+            && My::phpCompliant()
+            && !is_null(dcCore::app()->auth)
+            && dcCore::app()->auth->isSuperAdmin();
 
         return static::$init;
     }
@@ -41,6 +39,7 @@ class Backend extends dcNsProcess
             return false;
         }
 
+        // backend sidebar menu icon
         dcCore::app()->menu[dcAdmin::MENU_SYSTEM]->addItem(
             My::name(),
             dcCore::app()->adminurl?->get('admin.plugin.' . My::id()),
@@ -50,6 +49,7 @@ class Backend extends dcNsProcess
         );
 
         dcCore::app()->addBehaviors([
+            // backend user preference for logs list columns
             'adminColumnsListsV2' => function (ArrayObject $cols): void {
                 $cols[My::BACKEND_LIST_ID] = [
                     My::name(),
@@ -63,7 +63,7 @@ class Backend extends dcNsProcess
                     ],
                 ];
             },
-
+            // backend filter for logs list sort
             'adminFiltersListsV2' => function (ArrayObject $sorts): void {
                 $sorts[My::BACKEND_LIST_ID] = [
                     My::name(),
@@ -80,7 +80,7 @@ class Backend extends dcNsProcess
                     [__('Logs per page'), 30],
                 ];
             },
-
+            // backend user preference for dashboard icon
             'adminDashboardFavoritesV2' => function (dcFavorites $favs): void {
                 $favs->register(My::BACKEND_LIST_ID, [
                     'title'      => My::name(),
diff --git a/src/BackendList.php b/src/BackendList.php
index 5895194..d9e43fb 100644
--- a/src/BackendList.php
+++ b/src/BackendList.php
@@ -21,8 +21,19 @@ use Dotclear\Helper\Date;
 use Dotclear\Helper\Html\Html;
 use Dotclear\Helper\Html\Form\Checkbox;
 
+/**
+ * Backend logs list helper.
+ */
 class BackendList extends adminGenericListV2
 {
+    /**
+     * Display logs record.
+     * 
+     * @param   int     $page           The current list page
+     * @param   int     $nb_per_page    The record per page number
+     * @param   string  $enclose_block  The enclose block
+     * @param   bool    $filter         Filter is applied
+     */
     public function display(int $page, int $nb_per_page, string $enclose_block = '', bool $filter = false): void
     {
         if ($this->rs->isEmpty()) {
@@ -73,6 +84,11 @@ class BackendList extends adminGenericListV2
         }
     }
 
+    /**
+     * Display a records line.
+     * 
+     * @param   bool    $checked    Selected line
+     */
     private function logLine(bool $checked): void
     {
         $cols = [
@@ -105,8 +121,8 @@ class BackendList extends adminGenericListV2
         $this->userColumns(My::BACKEND_LIST_ID, $cols);
 
         echo
-            '<tr class="line" id="p' . $this->rs->log_id . '">' .
-            implode(iterator_to_array($cols)) .
-            '</tr>';
+        '<tr class="line" id="p' . $this->rs->log_id . '">' .
+        implode(iterator_to_array($cols)) .
+        '</tr>';
     }
 }
diff --git a/src/Manage.php b/src/Manage.php
index 02eb8e3..634fcf5 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -35,8 +35,9 @@ class Manage extends dcNsProcess
     public static function init(): bool
     {
         static::$init = defined('DC_CONTEXT_ADMIN')
-            && dcCore::app()->auth?->isSuperAdmin()
-            && My::phpCompliant();
+            && My::phpCompliant()
+            && !is_null(dcCore::app()->auth)
+            && dcCore::app()->auth->isSuperAdmin();
 
         return static::$init;
     }
@@ -49,7 +50,7 @@ class Manage extends dcNsProcess
 
         $current = ManageVars::init();
 
-        #  Delete logs
+        // Delete logs
         if ($current->selected_logs && !empty($current->entries) || $current->all_logs) {
             try {
                 dcCore::app()->log->delLogs($current->entries, $current->all_logs);
diff --git a/src/ManageVars.php b/src/ManageVars.php
index 643877e..752e7a8 100644
--- a/src/ManageVars.php
+++ b/src/ManageVars.php
@@ -20,20 +20,35 @@ use dcCore;
 use Dotclear\Database\MetaRecord;
 use Exception;
 
+/**
+ * Backend logs manage page vars container.
+ */
 class ManageVars
 {
-    /**
-     * @var ManageVars self instance
-     */
+    /** @var    ManageVars  $container  self instance */
     private static $container;
 
+    /** @var    adminGenericFilterV2    $filter     The filter instance */
     public readonly adminGenericFilterV2 $filter;
+
+    /** @var    null|MetaRecord     $logs   The current records */
     public readonly ?MetaRecord $logs;
+
+    /** @var    null|BackendList    $list   The records list form instance */
     public readonly ?BackendList $list;
+
+    /** @var    array   $entries    The post form selected entries */
     public readonly array $entries;
+
+    /** @var    bool    $selected_logs  The post form action */
     public readonly bool $selected_logs;
+
+    /** @var    bool    $all_logs  The post form action */
     public readonly bool $all_logs;
 
+    /**
+     * Constructor grabs post form value and sets properties.
+     */
     protected function __construct()
     {
         $this->entries       = !empty($_POST['entries']) && is_array($_POST['entries']) ? $_POST['entries'] : [];
@@ -57,6 +72,11 @@ class ManageVars
         }
     }
 
+    /**
+     * Get instance.
+     * 
+     * @return  ManageVars  The instance
+     */
     public static function init(): ManageVars
     {
         if (!(self::$container instanceof self)) {
diff --git a/src/My.php b/src/My.php
index 72e6510..cc4921a 100644
--- a/src/My.php
+++ b/src/My.php
@@ -16,6 +16,9 @@ namespace Dotclear\Plugin\dcLog;
 
 use dcCore;
 
+/**
+ * Module definition shortcut.
+ */
 class My
 {
     /**
@@ -29,7 +32,9 @@ class My
     public const BACKEND_LIST_ID = 'dcloglist';
 
     /**
-     * This module id
+     * This module id.
+     * 
+     * @return  string  The module id
      */
     public static function id(): string
     {
@@ -37,7 +42,9 @@ class My
     }
 
     /**
-     * This module name
+     * This module name.
+     * 
+     * @return  string  The module translated name
      */
     public static function name(): string
     {
@@ -45,7 +52,9 @@ class My
     }
 
     /**
-     * Check php version
+     * Check php version.
+     * 
+     * @return  bool    True on supported PHP version
      */
     public static function phpCompliant(): bool
     {