Json for wifi kit 8 is broken

This link: https://docs.heltec.cn/download/package_heltec_esp8266_index.json
contains an error in the json. Line 44 has two strange characters instead of a , . Or maybe it should be a newline, but it will not load in the IDE.
Arduino15\package_heltec_esp8266_index.json, parsing error occured:
com.fasterxml.jackson.databind.JsonMappingException: Unexpected character (‘£’ (code 163)): was expecting comma to separate Array entries
at [Source: (FileInputStream); line: 44, column: 11]