diff --git a/client/src/cmdhffudan.c b/client/src/cmdhffudan.c
index 502425f83..38ef8eef5 100644
--- a/client/src/cmdhffudan.c
+++ b/client/src/cmdhffudan.c
@@ -355,7 +355,7 @@ static int CmdHFFudanWrBl(const char *Cmd) {
     CLIParserContext *ctx;
     CLIParserInit(&ctx, "hf fudan wrbl",
                   "Write fudan block with 4 hex bytes of data\n",
-                  "hf mf wrbl --blk 1 -k FFFFFFFFFFFF -d 01020304"
+                  "hf fudan wrbl --blk 1 -k FFFFFFFFFFFF -d 01020304"
                  );
     void *argtable[] = {
         arg_param_begin,
diff --git a/doc/commands.json b/doc/commands.json
index e1a0a020b..8d4185c52 100644
--- a/doc/commands.json
+++ b/doc/commands.json
@@ -2867,7 +2867,7 @@
             "command": "hf fudan wrbl",
             "description": "Write fudan block with 4 hex bytes of data",
             "notes": [
-                "hf mf wrbl --blk 1 -k FFFFFFFFFFFF -d 01020304"
+                "hf fudan wrbl --blk 1 -k FFFFFFFFFFFF -d 01020304"
             ],
             "offline": false,
             "options": [