diff --git a/doc/examples/id3dump.c b/doc/examples/id3dump.c
index 3e3402bd..651df15e 100644
--- a/doc/examples/id3dump.c
+++ b/doc/examples/id3dump.c
@@ -101,8 +101,15 @@ int main(int argc, char **argv)
 {
 	int i;
 	mpg123_handle* m;
+	if(argc < 2)
+	{
+		fprintf(stderr, "\nI will print some ID3 tag fields of MPEG audio files.\n");
+		fprintf(stderr, "\nUsage: %s <mpeg audio file list>\n\n", argv[0]);
+		return -1;
+	}
 	mpg123_init();
 	m = mpg123_new(NULL, NULL);
+	
 	for(i=1; i < argc; ++i)
 	{
 		mpg123_id3v1 *v1;
diff --git a/doc/examples/mpglib.c b/doc/examples/mpglib.c
index 881b99da..88589ddd 100644
--- a/doc/examples/mpglib.c
+++ b/doc/examples/mpglib.c
@@ -35,6 +35,7 @@ int main(int argc, char **argv)
 	/* mpg123_param(m, MPG123_START_FRAME, 2300, 0); */
 	mpg123_open_feed(m);
 	if(m == NULL) return -1;
+	fprintf(stderr, "Feed me some MPEG audio to stdin, I will decode to stdout.\n");
 	while(1) {
 		len = read(0,buf,INBUFF);
 		if(len <= 0)
diff --git a/doc/examples/scan.c b/doc/examples/scan.c
index 5b5ce36d..8cfa6c56 100644
--- a/doc/examples/scan.c
+++ b/doc/examples/scan.c
@@ -19,8 +19,8 @@ int main(int argc, char **argv)
 	int i;
 	if(argc < 2)
 	{
-		fprintf(stderr, "I will give you the estimated and exact sample lengths of MPEG audio files.\n");
-		fprintf(stderr, "\nUsage: %s <mpeg audio file list>\n", argv[0]);
+		fprintf(stderr, "\nI will give you the estimated and exact sample lengths of MPEG audio files.\n");
+		fprintf(stderr, "\nUsage: %s <mpeg audio file list>\n\n", argv[0]);
 		return -1;
 	}
 	mpg123_init();