#4547: When debugging a very large function, it was not always
possible to update the lineno attribute of the current frame.
diff --git a/Misc/NEWS b/Misc/NEWS
index 4558e5b..edc37d4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #4547: When debugging a very large function, it was not always
+  possible to update the lineno attribute of the current frame.
+
 - Issue #5330: C functions called with keyword arguments were not reported by
   the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.