diff --git a/NEWS b/NEWS
index 60692f8..27312cc 100644
--- a/NEWS
+++ b/NEWS
@@ -96,6 +96,9 @@
   If an object contains both CFI and EXIDX unwind information, Valgrind
   will prefer the CFI over the EXIDX.
 
+* Typos or unknown values in --sim-hints and --kernel-variant command
+  line options are now detected and reported to the user as a usage error.
+
 * ==================== FIXED BUGS ====================
 
 The following bugs have been fixed or resolved.  Note that "n-i-bz"