--- a/src/spectrum/model/single-model-spectrum-channel.h	Wed May 18 20:01:44 2011 -0400
+++ b/src/spectrum/model/single-model-spectrum-channel.h	Wed May 18 17:24:04 2011 -0700
@@ -31,6 +31,8 @@
 
 
 /**
+ * \ingroup spectrum
+ *
  * @brief SpectrumChannel implementation which handles a single spectrum model
  *
  * All SpectrumPhy layers attached to this SpectrumChannel