diff --git a/app/str2str/str2str.c b/app/str2str/str2str.c
index 7c86793e5..738b474fb 100644
--- a/app/str2str/str2str.c
+++ b/app/str2str/str2str.c
@@ -44,8 +44,7 @@ static const char *help[]={
 " file. The output stream can be serial, tcp client, tcp server, ntrip server,",
 " or file. str2str is a resident type application. To stop it, type ctr-c in",
 " console if run foreground or send signal SIGINT for background process.",
-" if run foreground or send signal SIGINT for background process.",
-" if both of the input stream and the output stream follow #format, the",
+" If both of the input stream and the output stream follow #format, the",
 " format of input messages are converted to output. To specify the output",
 " messages, use -msg option. If the option -in or -out omitted, stdin for",
 " input or stdout for output is used.",