Update binance link

README.md

@@ -178,7 +178,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Cryptocurrency
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
-| [Binance](https://github.com/binance-exchange/binance-official-api-docs) | Exchange for Trading Cryptocurrencies based in China | `apiKey` | Yes | Unknown |
+| [Binance](https://github.com/binance/binance-spot-api-docs) | Exchange for Trading Cryptocurrencies based in China | `apiKey` | Yes | Unknown |
 | [BitcoinAverage](https://apiv2.bitcoinaverage.com/) | Digital Asset Price Data for the blockchain industry | `apiKey` | Yes | Unknown |
 | [BitcoinCharts](https://bitcoincharts.com/about/exchanges/) | Financial and Technical Data related to the Bitcoin Network | No | Yes | Unknown |
 | [Bitfinex](https://docs.bitfinex.com/docs) | Cryptocurrency Trading Platform | `apiKey` | Yes | Unknown |