diff --git a/tests/rigctld.8 b/tests/rigctld.8
index a76c913bc..4183256af 100644
--- a/tests/rigctld.8
+++ b/tests/rigctld.8
@@ -510,7 +510,7 @@ returned to the client.
 .PP
 An example response to a \fI+\\set_mode\fP command (note the prepended '+'):
 .sp
-$ echo "+F USB 2400" | nc -w 1 localhost 4532
+$ echo "+M USB 2400" | nc -w 1 localhost 4532
 .br
 set_mode: USB 2400
 .br