diff -r 400f78c1d661 -r b3e668a5949c RELEASE_NOTES
--- a/RELEASE_NOTES	Tue Jul 05 18:40:17 2011 +0200
+++ b/RELEASE_NOTES	Tue Jul 05 19:03:55 2011 +0200
@@ -21,6 +21,14 @@
 New user-visible features
 -------------------------
 
+- SpectrumChannel models now support the usage of single-frequency
+  propagation loss models based on the PropagationLossModel
+  class. These model can be used in conjunction with
+  the frequency-dependent propagation loss model based on the
+  SpectrumPropagationLossModel class already supported by
+  SpectrumChannel. 
+
+
 Bugs fixed
 ----------
  - bug 1033 - Mesh airtime-metric fixed