Update README.md

README.md

@@ -19,7 +19,7 @@ What you can do with this app:
 - Use it with KISS software modem using TCPIP, such as Direwolf
 - Use it with your HF/VHF/UHF transceiver as a sound modem
 - Use your phone as a software sound modem by using external USB OTG audio adapter (voice + data) or built-in phone speaker and mic (only data)
-- Send and reveive APRS position reports over FSK 300 (HF), AFSK1200 (VHF), FreeDV OFDM (HF)
+- Send and reveive APRS position reports over FSK 300 (HF, only TX), AFSK1200 (VHF), FreeDV OFDM (HF)
 - Send and receive APRS messages
 - Send and receive raw Codec2 speech frames over KISS or inside APRS/AX.25 UI frames
 - Use your phone for FreeDV protocol voice communication together with HF transceiver, which supports USB OTG audio