diff --git a/core/modules/datetime_range/src/Tests/DateRangeFieldTest.php b/core/modules/datetime_range/src/Tests/DateRangeFieldTest.php
index 2dae5ff..334a0c3 100644
--- a/core/modules/datetime_range/src/Tests/DateRangeFieldTest.php
+++ b/core/modules/datetime_range/src/Tests/DateRangeFieldTest.php
@@ -569,7 +569,7 @@ public function testAlldayRangeField() {
       $expected = $start_date_rendered;
       $this->renderTestEntity($id);
       $this->assertText($expected, new FormattableMarkup('Formatted date field using daterange_custom format displayed as %expected.', array('%expected' => $expected)));
-      $this->assertNoText(' THESEPARATOR ', 'Not Found proper separator');
+      $this->assertNoText(' THESEPARATOR ', 'Not found proper separator');
     }
   }