diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index d83fafbf8..6cd98eff1 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -47,6 +47,7 @@ Bugs fixed
 - Issue #116 - Wi-Fi: Incorrect state when receiving A-MPDU in WifiPhy
 - Issue #119 - Waf --lcov-report option was broken
 - Issue #169 - Ideal rate manager does not work when non best-effort traffic is used
+- MR !269 - Fix okumura-hata propagation loss model when m_frequency > 1.500e9 and city == Medium or Small
 
 Known issues
 ------------