diff --git a/help/help_mp-en.h b/help/help_mp-en.h
index 62fbadbe2e..63fc82cbcd 100644
--- a/help/help_mp-en.h
+++ b/help/help_mp-en.h
@@ -1846,7 +1846,7 @@ static char help_text[]=
 // stream/stream_radio.c
 
 #define MSGTR_RADIO_ChannelNamesDetected "[radio] Radio channel names detected.\n"
-#define MSGTR_RADIO_FreqRange "[radio] Allowable frequency range is %.2f-%.2f MHz\n"
+#define MSGTR_RADIO_FreqRange "[radio] Allowed frequency range is %.2f-%.2f MHz\n"
 #define MSGTR_RADIO_WrongFreqForChannel "[radio] Wrong frequency for channel %s\n"
 #define MSGTR_RADIO_WrongChannelNumberFloat "[radio] Wrong channel number: %.2f\n"
 #define MSGTR_RADIO_WrongChannelNumberInt "[radio] Wrong channel number: %d\n"