diff --git a/CHANGES.txt b/CHANGES.txt
index 18eb2f8..a48fac7 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -2,6 +2,9 @@
 
   - Added a new 65Org16 MPU simulation written by Ed Spittles.
 
+  - The monitor now accepts command line arguments.  See
+    ``py65mon --help`` for usage.  Contributed by Ed Spittles.
+
 0.10 (2011-08-27)
 
   - Fixed long-standing bugs in relative branch calculations in the