1 files changed, 1 insertions, 1 deletions
diff --git a/NEWS b/NEWS
index cfbfd9e689..18024ca3e6 100644
--- a/NEWS
+++ b/NEWS
@@ -763,7 +763,7 @@ Fiber::
 
 File::
   * File.realpath now uses realpath(3) on many platforms, which can
-    significantly improve performance.
+    significantly improve performance. [Feature #15797]
 
 Hash::
   * Change data structure of small Hash objects. [Feature #15602]