diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 990a6cfdd..d32db9b41 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -25,6 +25,7 @@ New user-visible features
 
 Bugs fixed
 ----------
+- Bug 730 - Enabling fragmentation at run-time breaks simulation
 - Bug 1249 - doxygen comments on device-level SetMobility ()
 - Bug 1736 - default dot11EDCATableMSDULifetime
 - Bug 1929 - TcpL4Protocol::Send must indicate the source address to routing (if known)