diff --git a/ReleaseNotes2_3.md b/ReleaseNotes2_3.md
index d4858c5..cb8f151 100644
--- a/ReleaseNotes2_3.md
+++ b/ReleaseNotes2_3.md
@@ -45,4 +45,6 @@ This document describes the changes and updates that have been made in version 2
  - `EN_SET_CLOSED` and `EN_SET_OPEN` constants were added that can be used with `EN_setcontrol` to fix the status of pipes and valves to completely closed or completely open.
  - `EN_EMITTERFLOW` can now be used with `EN_getnodevalue` to retrieve a node's emitter flow rate.
  - `EN_STATUS_REPORT` can now be used with `EN_getoption` and `EN_setoption` to get or set the type of status report that EPANET will generate (`EN_NO_REPORT`, `EN_NORMAL_REPORT` or `EN_FULL_REPORT`).  
- - A possible parser error that could result in a Trace Node ID in an input file not being recognized was fixed.
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+ - A possible parser error that could result in a Trace Node ID in an input file not being recognized was fixed.
+ - Additional API functions for enabling/disabling controls and rules were added.
+ 
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