diff --git a/openair1/PHY/MODULATION/modulation_eNB.h b/openair1/PHY/MODULATION/modulation_eNB.h
index 5c81756b74..0d94dc918d 100644
--- a/openair1/PHY/MODULATION/modulation_eNB.h
+++ b/openair1/PHY/MODULATION/modulation_eNB.h
@@ -55,16 +55,18 @@ int beam_precoding(int32_t **txdataF,
                    int aa);
 				   
 /** \brief This function performs beamforming precoding for common
- * data for only one eNB, fdragon
+ * data for only one eNB
     @param txdataF Table of pointers for frequency-domain TX signals
     @param txdataF_BF Table of pointers for frequency-domain TX signals
-    @param frame_parms Frame descriptor structure
-after beamforming
     @param beam_weights Beamforming weights applied on each
 antenna element and each carrier
-    @param slot Slot number
-    @param symbol Symbol index on which to act
-    @param aa physical antenna index*/
+    @param subfram subframe number
+    @param nb_antenna_ports physical antenna number
+    @param nb_tx total number of physical antenna
+    @param frame_parms Frame descriptor structure
+after beamforming
+*/
+
 int beam_precoding_one_eNB(int32_t **txdataF,
                            int32_t **txdataF_BF,
 						   int32_t ***beam_weights,