diff --git a/NEWS b/NEWS
index e1ff6fe7d..9570ec419 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,6 @@
 [4.5.9]
+* pwd now fails if the name of the working directory is so long that getcwd
+  truncates it.  Before it would return the truncated name.
 * `df /some/mount-point' no longer hangs on a GNU libc system when another
   hard-mounted NFS file system (preceding /some/mount-point in /proc/mounts)
   is inaccessible.