Updated Features (markdown)

Features.md

@@ -36,7 +36,7 @@
       - Send reboot command to the modem
   - **AX.25/APRS**
     - Enable/Disable AX.25/APRS
-    - Enable/Disable voice over AX.25 (VoAX.25)
+    - Enable/Disable voice over AX.25 (VoAX.25), enable to send speech frames inside AX.25 packets
     - Set your callsign (without SSID)
     - Set your callsign SSID
     - Set APRS digi path, comma separated (e.g. WIDE1-1)