M16-1-1: Update change notes.

Author: lcartey

change_notes/2023-12-06-m16-1-1-perf.md

@@ -1,3 +1,4 @@
  * `M16-1-1`
    - Optimize query to improve performance
-   - Improve detection of macros whose body contains the `defined` operator after the start of the macro (e.g. `#define X Y || defined(Z)`).
+   - Improve detection of macros whose body contains the `defined` operator after the start of the macro (e.g. `#define X Y || defined(Z)`).
+   - Enable exclusions to be applied for this rule.