diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index b64b4c22c5..e537277f46 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -605,8 +605,8 @@ int main(int argc, char **argv)
       printf("-u Set the numerology\n");
       printf("-w Start PRB for PUSCH\n");
       //printf("-x Transmission mode (1,2,6 for the moment)\n");
-      printf("-y Number of TX antennas used in eNB\n");
-      printf("-z Number of RX antennas used in UE\n");
+      printf("-y Number of TX antennas used at UE\n");
+      printf("-z Number of RX antennas used at gNB\n");
       printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
       //printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
       printf("-F Input filename (.txt format) for RX conformance testing\n");