diff --git a/README.md b/README.md
index d6540926..c4fbf63a 100644
--- a/README.md
+++ b/README.md
@@ -919,7 +919,8 @@ preformance (accesses that are row-hits consume less time). If the memory is
 idle, in the next refresh interval (tREFI) a burst is issued for the same
 number of REF commands postponed plus the actual refresh for that tREFI. When
 the maximum number of postponed refreshes is reached a burst is issued in the
-next tREFI despite the memory state (busy or idle).
+next tREFI despite the memory state (busy or idle). A burst of postponed
+refreshes cannot be interrupted.
 
 **The Flexible Refresh FSM**