diff --git a/application/Espo/Tools/LinkManager/LinkManager.php b/application/Espo/Tools/LinkManager/LinkManager.php
index 53dca356d4..59b1026906 100644
--- a/application/Espo/Tools/LinkManager/LinkManager.php
+++ b/application/Espo/Tools/LinkManager/LinkManager.php
@@ -53,15 +53,15 @@ use Espo\Tools\EntityManager\NameUtil;
  */
 class LinkManager
 {
-    private const MANY_TO_MANY = 'manyToMany';
-    private const MANY_TO_ONE = 'manyToOne';
-    private const ONE_TO_MANY = 'oneToMany';
-    private const CHILDREN_TO_PARENT = 'childrenToParent';
-    private const ONE_TO_ONE_LEFT = 'oneToOneLeft';
-    private const ONE_TO_ONE_RIGHT = 'oneToOneRight';
+    private const string MANY_TO_MANY = 'manyToMany';
+    private const string MANY_TO_ONE = 'manyToOne';
+    private const string ONE_TO_MANY = 'oneToMany';
+    private const string CHILDREN_TO_PARENT = 'childrenToParent';
+    private const string ONE_TO_ONE_LEFT = 'oneToOneLeft';
+    private const string ONE_TO_ONE_RIGHT = 'oneToOneRight';
 
     // 64 - 3
-    private const MAX_LINK_NAME_LENGTH = 61;
+    private const int MAX_LINK_NAME_LENGTH = 61;
 
     public function __construct(
         private Metadata $metadata,
@@ -70,7 +70,7 @@ class LinkManager
         private DataManager $dataManager,
         private LinkHookProcessor $linkHookProcessor,
         private NameUtil $nameUtil,
-        private Route $routeUtil
+        private Route $routeUtil,
     ) {}
 
     /**