diff --git a/client/src/cmdhfmfdes.c b/client/src/cmdhfmfdes.c
index 3bae080d0..0acea11bf 100644
--- a/client/src/cmdhfmfdes.c
+++ b/client/src/cmdhfmfdes.c
@@ -5369,7 +5369,9 @@ static int CmdHF14ADesWriteData(const char *Cmd) {
                   "hf mfdes write --aid 123456 --fid 01 -d 01020304 -> write data to record file with `auto` type\n"
                   "hf mfdes write --aid 123456 --fid 01 --type record -d 01020304 -> write data to record file\n"
                   "hf mfdes write --aid 123456 --fid 01 --type record -d 01020304 --updaterec 0 -> update record in the record file. record 0 - lastest record.\n"
-                  "hf mfdes write --aid 123456 --fid 01 --type record --offset 000000 -d 11223344 -> write record to record file. use default channel settings from `default` command");
+                  "hf mfdes write --aid 123456 --fid 01 --type record --offset 000000 -d 11223344 -> write record to record file. use default channel settings from `default` command\n"
+                  "hf mfdes write --appisoid 1234 --fileisoid 1000 --type data -c iso -d 01020304 -> write data to std/backup file via iso commandset\n"
+                  "hf mfdes write --appisoid 1234 --fileisoid 2000 --type record -c iso -d 01020304 -> aend record to record file via iso commandset");
 
     void *argtable[] = {
         arg_param_begin,