board name changed in esp8266-2.4.2 (esp8266/Arduino#4984)

README.md

@@ -16,7 +16,7 @@
     - rename Time.h to \_Time.h (this is to avoid a [conflict with time.h](https://github.com/mikalhart/IridiumSBD/issues/16) on some OSs)
 1. Install the [Arduino ESP8266 filesystem uploader plugin](https://github.com/esp8266/arduino-esp8266fs-plugin) (requires restart of IDE)
 1. Connect your D1 mini to the computer using a micro USB cable
-1. Under Tools, select "WeMos D1 R2 & mini" as the board
+1. Under Tools, select "LOLIN(WEMOS) D1 R2 & mini" as the board
 1. Open [clock.ino](clock.ino)
 1. Sketch > Upload
 1. Upload the sketch data files (the data directory in the sketch folder) using Tools > ESP8266 Sketch Data Upload.