diff --git a/Misc/NEWS b/Misc/NEWS
index 15790a4..bbe9214 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and Builtins
 -----------------
 
+- Issue #3439: Add a bit_length method to int.
+
 - Issue #2173: When getting device encoding, check that return value of
   nl_langinfo is not the empty string.  This was causing silent build
   failures on OS X.