diff --git a/application/Espo/Core/Formula/FunctionFactory.php b/application/Espo/Core/Formula/FunctionFactory.php
index 5bb896be27..0911ba4a2c 100644
--- a/application/Espo/Core/Formula/FunctionFactory.php
+++ b/application/Espo/Core/Formula/FunctionFactory.php
@@ -65,6 +65,9 @@ class FunctionFactory
         $this->classNameMap = $classNameMap;
     }
 
+    /**
+     * @return \Espo\Core\Formula\Functions\BaseFunction|\Espo\Core\Formula\Functions\Base
+     */
     public function create(string $name, ?Entity $entity = null, ?stdClass $variables = null): object
     {
         if ($this->classNameMap && array_key_exists($name, $this->classNameMap)) {
@@ -105,6 +108,7 @@ class FunctionFactory
             $object->setAttributeFetcher($this->attributeFetcher);
         }
 
+        /** @var \Espo\Core\Formula\Functions\BaseFunction|\Espo\Core\Formula\Functions\Base */
         return $object;
     }
 }
diff --git a/application/Espo/Core/Formula/Functions/DatetimeGroup/ClosestType.php b/application/Espo/Core/Formula/Functions/DatetimeGroup/ClosestType.php
index 819820b56d..fd818982b2 100644
--- a/application/Espo/Core/Formula/Functions/DatetimeGroup/ClosestType.php
+++ b/application/Espo/Core/Formula/Functions/DatetimeGroup/ClosestType.php
@@ -27,7 +27,7 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
-namespace Espo\Core\Formula\Functions\DateTimeGroup;
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
 
 use Espo\Core\Di;
 
@@ -93,6 +93,7 @@ class ClosestType extends BaseFunction implements Di\ConfigAware
 
         $format = 'Y-m-d H:i:s';
 
+        /** @var DateTime */
         $dt = DateTime::createFromFormat($format, $value, new DateTimeZone($timezone));
         $valueTimestamp = $dt->getTimestamp();