diff --git a/README.md b/README.md
index d345758..4b54ff5 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ The [examples](https://github.com/ggerganov/ggwave/blob/master/examples/) folder
 | [ggwave-rx](https://github.com/ggerganov/ggwave/blob/master/examples/ggwave-rx) | Very basic receive-only program | SDL |
 | [ggwave-cli](https://github.com/ggerganov/ggwave/blob/master/examples/ggwave-cli) | Command line tool for sending/receiving data through sound | SDL |
 | [ggwave-wasm](https://github.com/ggerganov/ggwave/blob/master/examples/ggwave-wasm) | WebAssembly module for web applications | SDL |
-| [ggwave-to-file](https://github.com/ggerganov/ggwave/blob/master/examples/ggwave-to-file) | Output generated audio to a file | - | 
+| [ggwave-to-file](https://github.com/ggerganov/ggwave/blob/master/examples/ggwave-to-file) | Output generated waveform to a file | - | 
 | [waver](https://github.com/ggerganov/ggwave/blob/master/examples/waver) | GUI tool for sending/receiving data through sound | SDL |
 
 Other projects using **ggwave** or one of its prototypes:
diff --git a/examples/ggwave-to-file/README.md b/examples/ggwave-to-file/README.md
index c1b169e..1063122 100644
--- a/examples/ggwave-to-file/README.md
+++ b/examples/ggwave-to-file/README.md
@@ -1,7 +1,7 @@
 ## ggwave-to-file
 
-Output generated audio to a file.
+Output generated waveform to a file.
 
 ```bash
-./bin/ggwave-to-file "Hello World!" > example.wav
+echo "Hello World!" | ./bin/ggwave-to-file > example.wav
 ```
diff --git a/examples/ggwave-to-file/main.cpp b/examples/ggwave-to-file/main.cpp
index c407043..4c3d75b 100644
--- a/examples/ggwave-to-file/main.cpp
+++ b/examples/ggwave-to-file/main.cpp
@@ -7,9 +7,10 @@
 
 #include <cstdio>
 #include <cstring>
+#include <iostream>
 
 int main(int argc, char** argv) {
-    fprintf(stderr, "Usage: %s \"message\" output.wav [-pN]\n", argv[0]);
+    fprintf(stderr, "Usage: %s [-pN]\n", argv[0]);
     fprintf(stderr, "    -pN - select the transmission protocol\n");
     fprintf(stderr, "\n");
     fprintf(stderr, "    Available protocols:\n");
@@ -20,11 +21,14 @@ int main(int argc, char** argv) {
     }
     fprintf(stderr, "\n");
 
-    if (argc < 2) {
+    if (argc < 1) {
         return -1;
     }
 
-    std::string message = argv[1];
+    fprintf(stderr, "Enter a text message:\n");
+
+    std::string message;
+    std::getline(std::cin, message);
 
     if (message.size() == 0) {
         fprintf(stderr, "Invalid message: size = 0\n");
@@ -42,6 +46,8 @@ int main(int argc, char** argv) {
 
     auto sampleRateOut = GGWave::kBaseSampleRate;
 
+    fprintf(stderr, "Generating waveform for message '%s' ...\n", message.c_str());
+
     GGWave ggWave(GGWave::kBaseSampleRate, sampleRateOut, 1024, 4, 2);
     ggWave.init(message.size(), message.data(), ggWave.getTxProtocols()[protocolId], volume);