core/modules/serialization/src/Normalizer/NormalizerBase.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/serialization/src/Normalizer/NormalizerBase.php b/core/modules/serialization/src/Normalizer/NormalizerBase.php
index 84c8789847..987e96062f 100644
--- a/core/modules/serialization/src/Normalizer/NormalizerBase.php
+++ b/core/modules/serialization/src/Normalizer/NormalizerBase.php
@@ -131,7 +131,7 @@ protected static function disallowFieldLevelNormalizers(array $supported, $norma
       NullNormalizer::class,
       // TextItemSillyNormalizer is a test-only normalizer.
       TextItemSillyNormalizer::class,
-      // TimestampItemNormalizer is being deprecated in https://www.drupal.org/project/drupal/issues/2926508.
+      // TimestampItemNormalizer was deprecated in https://www.drupal.org/project/drupal/issues/2926508.
       TimestampItemNormalizer::class,
       HalTimestampItemNormalizer::class,
     ];