diff --git a/USER_MANUAL.md b/USER_MANUAL.md
index 92fa4534..eb01d789 100644
--- a/USER_MANUAL.md
+++ b/USER_MANUAL.md
@@ -896,6 +896,7 @@ LDPC | Low Density Parity Check Codes - a family of powerful FEC codes
 2. Enhancements:
     * Show green line indicating RX frequency. (PR #725)
     * Update configuration of the Voice Keyer feature based on user feedback. (PR #730)
+    * Add monitor volume adjustment. (PR #733)
 3. Build system:
     * Allow overrriding the version tag when building. (PR #727)
     * Update wxWidgets to 3.2.5. (PR #731)