X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fjtag.c;h=7d0dcab9d80ce91f33b6a43733815db16d691886;hb=5a4525613dbd1b91ddbd9610e13b26eac6794f88;hp=fc89d2489060d0436b6c8429a388e6795e19cb2b;hpb=9bf081192f2a1ad8c3ef424c9564b0c1f733461d;p=openocd.git

diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index fc89d24890..7d0dcab9d8 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -1411,7 +1411,7 @@ int jtag_register_commands(struct command_context_s *cmd_ctx)
 	register_command(cmd_ctx, NULL, "jtag_speed", handle_jtag_speed_command,
 		COMMAND_ANY, "set jtag speed (if supported) <reset speed> [<post reset speed, default value is reset speed>]");
 	register_command(cmd_ctx, NULL, "jtag_khz", handle_jtag_khz_command,
-		COMMAND_ANY, "same as jtag_speed, except it takes khz as arguments");
+		COMMAND_ANY, "same as jtag_speed, except it takes maximum khz as arguments. 0 KHz = RTCK.");
 	register_command(cmd_ctx, NULL, "jtag_device", handle_jtag_device_command,
 		COMMAND_CONFIG, "jtag_device <ir_length> <ir_expected> <ir_mask>");
 	register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,