diff --git a/README.md b/README.md
index 7682d1a..a75052b 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ The command-line interface is straightforward as reflected in the output from
       -o, --output-delay <ms>     Output delay (default: 0)
       -n, --no-autoconnect        Disable automatic connect
       -e, --local-echo            Do local echo
-      -t, --timestamp             Prefix each new line with a timestamp
+      -t, --timestamp             Timestamp lines
       -l, --log <filename>        Log to file
       -m, --map <flags>           Map special characters
       -v, --version               Display version
diff --git a/man/tio.1 b/man/tio.1
index c4eeac0..d1f1e2a 100644
--- a/man/tio.1
+++ b/man/tio.1
@@ -59,7 +59,7 @@ Enable local echo.
 .TP
 .BR \-t ", " \-\-timestamp
 
-Prefix each new line with a timestamp.
+Timestamp lines.
 
 .TP
 .BR \-l ", " "\-\-log " \fI<filename>
diff --git a/src/options.c b/src/options.c
index a8ea006..aace521 100644
--- a/src/options.c
+++ b/src/options.c
@@ -64,7 +64,7 @@ void print_help(char *argv[])
     printf("  -o, --output-delay <ms>     Output delay (default: 0)\n");
     printf("  -n, --no-autoconnect        Disable automatic connect\n");
     printf("  -e, --local-echo            Do local echo\n");
-    printf("  -t, --timestamp             Prefix each new line with a timestamp\n");
+    printf("  -t, --timestamp             Timestamp lines\n");
     printf("  -l, --log <filename>        Log to file\n");
     printf("  -m, --map <flags>           Map special characters\n");
     printf("  -v, --version               Display version\n");