diff --git a/src/Time/Interval/DateTimeIntervalSet.php b/src/Time/Interval/DateTimeIntervalSet.php
index 43c7ddcc..5828b279 100644
--- a/src/Time/Interval/DateTimeIntervalSet.php
+++ b/src/Time/Interval/DateTimeIntervalSet.php
@@ -37,7 +37,9 @@ class DateTimeIntervalSet implements IntervalSet, DateOrTimeIntervalSet
     use StrictBehaviorMixin;
     use IntervalSetDumpMixin;
 
-    /** @var DateTimeInterval[] */
+    /**
+     * @var DateTimeInterval[]
+     */
     private $intervals;
 
     /**