4 files changed, 4 insertions, 4 deletions
diff --git a/host/examples/rx_ascii_art_dft.cpp b/host/examples/rx_ascii_art_dft.cpp
index 85cf8b50c..564a9e749 100644
--- a/host/examples/rx_ascii_art_dft.cpp
+++ b/host/examples/rx_ascii_art_dft.cpp
@@ -55,7 +55,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("frame-rate", po::value<double>(&frame_rate)->default_value(5), "frame rate of the display (fps)")
         ("ref-lvl", po::value<float>(&ref_lvl)->default_value(0), "reference level for the display (dB)")
         ("dyn-rng", po::value<float>(&dyn_rng)->default_value(60), "dynamic range for the display (dB)")
-        ("ref", po::value<std::string>(&ref)->default_value("internal"), "waveform type (internal, external, mimo)")
+        ("ref", po::value<std::string>(&ref)->default_value("internal"), "reference source (internal, external, mimo)")
         ("int-n", "tune USRP with integer-N tuning")
     ;
     po::variables_map vm;
diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp
index de3640794..e196b8592 100644
--- a/host/examples/rx_samples_to_file.cpp
+++ b/host/examples/rx_samples_to_file.cpp
@@ -231,7 +231,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
         ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
         ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
-        ("ref", po::value<std::string>(&ref)->default_value("internal"), "waveform type (internal, external, mimo)")
+        ("ref", po::value<std::string>(&ref)->default_value("internal"), "reference source (internal, external, mimo)")
         ("wirefmt", po::value<std::string>(&wirefmt)->default_value("sc16"), "wire format (sc8 or sc16)")
         ("setup", po::value<double>(&setup_time)->default_value(1.0), "seconds of setup time")
         ("progress", "periodically display short-term bandwidth")
diff --git a/host/examples/rx_samples_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp
index 2f62652e0..e397dbbf9 100644
--- a/host/examples/rx_samples_to_udp.cpp
+++ b/host/examples/rx_samples_to_udp.cpp
@@ -52,7 +52,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
         ("port", po::value<std::string>(&port)->default_value("7124"), "server udp port")
         ("addr", po::value<std::string>(&addr)->default_value("192.168.1.10"), "resolvable server address")
-        ("ref", po::value<std::string>(&ref)->default_value("internal"), "waveform type (internal, external, mimo)")
+        ("ref", po::value<std::string>(&ref)->default_value("internal"), "reference source (internal, external, mimo)")
         ("int-n", "tune USRP with integer-N tuning")
     ;
     po::variables_map vm;
diff --git a/host/examples/tx_samples_from_file.cpp b/host/examples/tx_samples_from_file.cpp
index f911c446e..3293f8bd4 100644
--- a/host/examples/tx_samples_from_file.cpp
+++ b/host/examples/tx_samples_from_file.cpp
@@ -88,7 +88,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
         ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
         ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
-        ("ref", po::value<std::string>(&ref)->default_value("internal"), "waveform type (internal, external, mimo)")
+        ("ref", po::value<std::string>(&ref)->default_value("internal"), "reference source (internal, external, mimo)")
         ("wirefmt", po::value<std::string>(&wirefmt)->default_value("sc16"), "wire format (sc8 or sc16)")
         ("delay", po::value<double>(&delay)->default_value(0.0), "specify a delay between repeated transmission of file")
         ("repeat", "repeatedly transmit file")