diff --git a/man/tio.1.in b/man/tio.1.in
index 16120db..9d81c2d 100644
--- a/man/tio.1.in
+++ b/man/tio.1.in
@@ -124,7 +124,7 @@ Default format is \fB24hour\fR
 .TP
 .BR \-L ", " \-\-list\-devices
 
-List available serial devices.
+List available serial devices by ID.
 
 .TP
 .BR \-l ", " \-\-log
diff --git a/src/options.c b/src/options.c
index 49e99d2..e11af12 100644
--- a/src/options.c
+++ b/src/options.c
@@ -99,7 +99,7 @@ void print_help(char *argv[])
     printf("  -e, --local-echo                       Enable local echo\n");
     printf("  -t, --timestamp                        Enable line timestamp\n");
     printf("      --timestamp-format <format>        Set timestamp format (default: 24hour)\n");
-    printf("  -L, --list-devices                     List available serial devices\n");
+    printf("  -L, --list-devices                     List available serial devices by ID\n");
     printf("  -l, --log                              Enable log to file\n");
     printf("      --log-file <filename>              Set log filename\n");
     printf("      --log-strip                        Strip control characters and escape sequences\n");