diff --git a/client/src/cmdhfmfu.c b/client/src/cmdhfmfu.c
index 6ee8e2fd2..c4990b6d9 100644
--- a/client/src/cmdhfmfu.c
+++ b/client/src/cmdhfmfu.c
@@ -3930,13 +3930,13 @@ static int CmdHF14AMfUAESAuth(const char *Cmd) {
                   "  Key index 1... UIDRetrKey\n"
                   "  Key index 2... OriginalityKey\n",
                   "hf mfu aesauth\n"
-                  "hf mfu aesauth --key <16 hex bytes> --index <0..2>"
+                  "hf mfu aesauth --key <16 hex bytes> --idx <0..2>"
                  );
 
     void *argtable[] = {
         arg_param_begin,
         arg_str0(NULL, "key", "<hex>",   "AES key (16 hex bytes)"),
-        arg_int0("i", "index", "<0..2>", "Key index, default: 0"),
+        arg_int0("i", "idx", "<0..2>", "Key index (def: 0)"),
         arg_lit0("k", NULL, "Keep field on (only if a key is provided)"),
         arg_param_end
     };
diff --git a/doc/commands.json b/doc/commands.json
index b92990219..362333ef8 100644
--- a/doc/commands.json
+++ b/doc/commands.json
@@ -7088,13 +7088,13 @@
             "description": "Tests AES key on Mifare Ultralight AES tags. If no key is specified, null key will be tried. Key index 0... DataProtKey (default) Key index 1... UIDRetrKey Key index 2... OriginalityKey",
             "notes": [
                 "hf mfu aesauth",
-                "hf mfu aesauth --key <16 hex bytes> --index <0..2>"
+                "hf mfu aesauth --key <16 hex bytes> --idx <0..2>"
             ],
             "offline": false,
             "options": [
                 "-h, --help This help",
                 "--key <hex> AES key (16 hex bytes)",
-                "-i, --index <0..2> Key index, default: 0",
+                "-i, --idx <0..2> Key index (def: 0)",
                 "-k Keep field on (only if a key is provided)"
             ],
             "usage": "hf mfu aesauth [-hk] [--key <hex>] [-i <0..2>]"
@@ -13365,6 +13365,6 @@
     "metadata": {
         "commands_extracted": 768,
         "extracted_by": "PM3Help2JSON v1.00",
-        "extracted_on": "2025-06-15T10:52:29"
+        "extracted_on": "2025-06-17T16:11:53"
     }
 }