diff --git a/core/src/Controllers/MoveDocument.php b/core/src/Controllers/MoveDocument.php
index a49893b500..63aebcd48a 100644
--- a/core/src/Controllers/MoveDocument.php
+++ b/core/src/Controllers/MoveDocument.php
@@ -88,7 +88,7 @@ protected function handle()
 
         $parentDocument->isfolder = true;
         $parentDocument->save();
-        if ($document->ancestor && $document->ancestor->childrens()->count() <= 1) {
+        if ($document->ancestor && $document->ancestor->children()->count() <= 1) {
             $document->ancestor->isfolder = false;
             $document->ancestor->save();
         }
diff --git a/core/src/Models/SiteContent.php b/core/src/Models/SiteContent.php
index e2e4931d4c..c35cf93a2e 100644
--- a/core/src/Models/SiteContent.php
+++ b/core/src/Models/SiteContent.php
@@ -50,7 +50,7 @@
  * @property SiteTemplate|null $tpl
  *
  * HasMany
- * @property Eloquent\Collection $childrens
+ * @property Eloquent\Collection $children
  * @property Eloquent\Collection $templateValues
  *
  * BelongsToMany
@@ -267,12 +267,12 @@ public function getAlreadyEditInfoAttribute(): ?array
     /**
      * @return array
      */
-    public function getAllChildrens($parent): array
+    public function getAllChildren($parent): array
     {
         $ids = [];
-        foreach ($parent->childrens as $child) {
+        foreach ($parent->children as $child) {
             $ids[] = $child->id;
-            $ids = array_merge($ids, $this->getAllChildrens($child));
+            $ids = array_merge($ids, $this->getAllChildren($child));
         }
         return $ids;
     }
@@ -344,7 +344,7 @@ public function ancestor(): Eloquent\Relations\BelongsTo
     /**
      * @return Eloquent\Relations\HasMany
      */
-    public function childrens(): Eloquent\Relations\HasMany
+    public function children(): Eloquent\Relations\HasMany
     {
         return $this->hasMany(__CLASS__, 'parent')
             ->withTrashed();
diff --git a/manager/processors/delete_content.processor.php b/manager/processors/delete_content.processor.php
index 3599b20d1e..1c79003608 100755
--- a/manager/processors/delete_content.processor.php
+++ b/manager/processors/delete_content.processor.php
@@ -33,7 +33,7 @@
     $modx->webAlertAndQuit($_lang["access_permission_denied"]);
 }
 
-$children = $document->getAllChildrens($document);
+$children = $document->getAllChildren($document);
 
 // invoke OnBeforeDocFormDelete event
 $modx->invokeEvent("OnBeforeDocFormDelete",
diff --git a/manager/processors/undelete_content.processor.php b/manager/processors/undelete_content.processor.php
index f853c5f988..2807ed6a59 100755
--- a/manager/processors/undelete_content.processor.php
+++ b/manager/processors/undelete_content.processor.php
@@ -35,7 +35,7 @@
     $modx->webAlertAndQuit("Couldn't find document to determine it's date of deletion!");
 }
 
-$children = $document->getAllChildrens($document);
+$children = $document->getAllChildren($document);
 
 $documentDeleteIds = $children;
 array_unshift($documentDeleteIds, $id);