Fixed typo in the comments

Author: mirkokurt

src/Arduino_LoRaConnectionHandler.cpp

@@ -134,7 +134,7 @@ NetworkConnectionState LoRaConnectionHandler::update_handleInit() {
     execNetworkEventCallback(_on_error_event_callback, 0);
     Debug.print(DBG_ERROR, "Something went wrong; are you indoor? Move near a window, then reset and retry.");
   };
-  //A delay is required between modem.begin(band) and modem.joinOTAA(appeui, appkey) in order to let the chip to be correctly initialized befor the connection attempt
+  //A delay is required between modem.begin(band) and modem.joinOTAA(appeui, appkey) in order to let the chip to be correctly initialized before the connection attempt
   delay(100);
   modem.configureClass(deviceClass);
   delay(100);