#15979: improve timeit documentation.
diff --git a/Misc/NEWS b/Misc/NEWS
index 19a627a..a676f3e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -603,6 +603,8 @@
 - Issue #15533: Clarify docs and add tests for subprocess.Popen()'s cwd
   argument.
 
+- Issue #15979: Improve timeit documentation.
+
 - Issue #16036: Improve documentation of built-in int()'s signature and
   arguments.