diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 3f865b1d8..605559ac4 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -37,7 +37,7 @@ int usage_t55xx_config(){
 	PrintAndLog("Options:        ");
 	PrintAndLog("       h                        This help");
 	PrintAndLog("       b <8|16|32|40|50|64|100|128>     Set bitrate");
-	PrintAndLog("       d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NZ|BI|BIa>  Set demodulation FSK / ASK / PSK / NZ / Biphase / Biphase A");
+	PrintAndLog("       d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa>  Set demodulation FSK / ASK / PSK / NZ / Biphase / Biphase A");
 	PrintAndLog("       i [1]                            Invert data signal, defaults to normal");
 	PrintAndLog("       o [offset]                       Set offset, where data should start decode in bitstream");
 	PrintAndLog("");