--- a/src/lte/model/lte-ffr-soft-algorithm.h	Thu Jun 01 16:57:22 2017 -0700
+++ b/src/lte/model/lte-ffr-soft-algorithm.h	Fri Jun 02 14:45:29 2017 +0200
@@ -57,8 +57,9 @@
   virtual void SetLteFfrRrcSapUser (LteFfrRrcSapUser* s);
   virtual LteFfrRrcSapProvider* GetLteFfrRrcSapProvider ();
 
-  // let the forwarder class access the protected and private members
+  /// let the forwarder class access the protected and private members
   friend class MemberLteFfrSapProvider<LteFfrSoftAlgorithm>;
+  /// let the forwarder class access the protected and private members
   friend class MemberLteFfrRrcSapProvider<LteFfrSoftAlgorithm>;
 
 protected: