diff --git a/Account/PermissionHandlingTrait.php b/Account/PermissionHandlingTrait.php
index afcc31e7c..ae1581253 100755
--- a/Account/PermissionHandlingTrait.php
+++ b/Account/PermissionHandlingTrait.php
@@ -32,14 +32,6 @@ trait PermissionHandlingTrait
      */
     protected array $permissions = [];
 
-    /**
-     * Amount of permissions.
-     *
-     * @var int
-     * @since 1.0.0
-     */
-    private int $pLength = 0;
-
     /**
      * Set permissions.
      *
@@ -54,7 +46,6 @@ trait PermissionHandlingTrait
     public function setPermissions(array $permissions) : void
     {
         $this->permissions = $permissions;
-        $this->pLength     = \count($this->permissions);
     }
 
     /**
@@ -77,8 +68,6 @@ trait PermissionHandlingTrait
                 $this->permissions[] = $permission;
             }
         }
-
-        $this->pLength = \count($this->permissions);
     }
 
     /**
@@ -95,7 +84,6 @@ trait PermissionHandlingTrait
     public function addPermission(PermissionAbstract $permission) : void
     {
         $this->permissions[] = $permission;
-        ++$this->pLength;
     }
 
     /**
@@ -137,7 +125,7 @@ trait PermissionHandlingTrait
      * @param null|int    $unit       Unit Unit to check (null if all are acceptable)
      * @param null|string $app        App App to check  (null if all are acceptable)
      * @param null|string $module     Module Module to check  (null if all are acceptable)
-     * @param null|int    $type       Type (e.g. customer) (null if all are acceptable)
+     * @param null|int    $category   Type (e.g. customer) (null if all are acceptable)
      * @param null|int    $element    (e.g. customer id) (null if all are acceptable)
      * @param null|int    $component  (e.g. address) (null if all are acceptable)
      *
@@ -150,7 +138,7 @@ trait PermissionHandlingTrait
         int $unit = null,
         string $app = null,
         string $module = null,
-        int $type = null,
+        int $category = null,
         int $element = null,
         int $component = null
     ) : bool
@@ -158,7 +146,7 @@ trait PermissionHandlingTrait
         $app = $app !== null ? \strtolower($app) : $app;
 
         foreach ($this->permissions as $p) {
-            if ($p->hasPermission($permission, $unit, $app, $module, $type, $element, $component)) {
+            if ($p->hasPermission($permission, $unit, $app, $module, $category, $element, $component)) {
                 return true;
             }
         }
diff --git a/Router/SocketRouter.php b/Router/SocketRouter.php
index 012f235c7..1d90ed041 100755
--- a/Router/SocketRouter.php
+++ b/Router/SocketRouter.php
@@ -38,14 +38,14 @@ final class SocketRouter implements RouterInterface
     /**
      * Add routes from file.
      *
-     * Files need to return a php array of the following structure:
+     * Files need to return a php array of the following structure (see PermissionHandlingTrait):
      * return [
      *      '{REGEX_PATH}' => [
-     *          'dest' => '{DESTINATION_NAMESPACE:method}', // can also be static by using :: between namespace and function name
+     *          'dest' => '{DESTINATION_NAMESPACE:method}', // use :: for static functions
      *          'permission' => [ // optional
      *              'module' => '{NAME}',
      *              'type' => PermissionType::{TYPE},
-     *              'state' => PermissionCategory::{STATE},
+     *              'category' => PermissionCategory::{STATE},
      *          ],
      *          // define different destination for different verb
      *      ],
@@ -159,7 +159,7 @@ final class SocketRouter implements RouterInterface
                                 $d['permission']['unit'] ?? $orgId,
                                 $app,
                                 $d['permission']['module'] ?? null,
-                                $d['permission']['state'] ?? null
+                                $d['permission']['category'] ?? null
                             )
                         )
                     ) {
diff --git a/Router/WebRouter.php b/Router/WebRouter.php
index d86c714df..167058542 100755
--- a/Router/WebRouter.php
+++ b/Router/WebRouter.php
@@ -38,16 +38,16 @@ final class WebRouter implements RouterInterface
     /**
      * Add routes from file.
      *
-     * Files need to return a php array of the following structure:
+     * Files need to return a php array of the following structure (see PermissionHandlingTrait):
      * return [
      *      '{REGEX_PATH}' => [
-     *          'dest' => '{DESTINATION_NAMESPACE:method}', // can also be static by using :: between namespace and function name
+     *          'dest' => '{DESTINATION_NAMESPACE:method}', // use :: for static functions
      *          'verb' => RouteVerb::{VERB},
      *          'csrf' => true,
      *          'permission' => [ // optional
      *              'module' => '{NAME}',
      *              'type' => PermissionType::{TYPE},
-     *              'state' => PermissionCategory::{STATE},
+     *              'category' => PermissionCategory::{STATE},
      *          ],
      *          // define different destination for different verb
      *      ],
@@ -160,7 +160,7 @@ final class WebRouter implements RouterInterface
                     }
 
                     // if permission check is invalid
-                    if  (isset($d['permission']) && !empty($d['permission'])
+                    if (isset($d['permission']) && !empty($d['permission'])
                         && ($account === null || $account instanceof NullAccount)
                     ) {
                         return ['dest' => RouteStatus::NOT_LOGGED_IN];
@@ -170,7 +170,7 @@ final class WebRouter implements RouterInterface
                                 $d['permission']['unit'] ?? $orgId,
                                 $app,
                                 $d['permission']['module'] ?? null,
-                                $d['permission']['state'] ?? null
+                                $d['permission']['category'] ?? null
                             )
                         )
                     ) {