main.cpp: documentation updated

src/main.cpp

@@ -35,7 +35,7 @@ clockloop     1     4     generates realtime telegrams for external clock
 timesync_req  1     3     processes realtime time sync requests
 irqhandler    1     2     display, timesync, gps, etc. triggered by timers
 gpsloop       1     2     reads data from GPS via serial or i2c
-bmeloop       1     1     reads data from BME sensor via i2c
+bmeloop       1     2     reads data from BME sensor via i2c
 looptask      1     1     runs the LMIC LoRa stack (arduino loop)
 IDLE          1     0     ESP32 arduino scheduler -> runs wifi channel rotator