Update README.md

Author: trunghaonguyennasdaq

README.md

@@ -8,7 +8,7 @@ Nasdaq Data Link provides a modern and efficient method of delivery for realtime
 - [Nasdaq Basic](http://www.nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/NasdaqBasic-Cloud.pdf) (real-time & delayed)
 - [Nasdaq Last Sale+](http://www.nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/NLSPlus-cloud.pdf) (real-time & delayed)
 - [Nasdaq TotalView](http://www.nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/Totalview-ITCH-cloud.pdf)
-- [Nasdaq Consolidated Quotes and Trades](https://github.com/Nasdaq/CloudDataService/raw/master/specs/CQT-cloud.pdf) (real-time & delayed)
+- [Nasdaq Consolidated Quotes and Trades](https://www.nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/CQT-cloud.pdf) (real-time & delayed)
 #### Nasdaq BX
 - [BX BBO](http://www.nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/BX_BBO_Cloud.pdf)
 - [BX Last Sale](http://www.nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/BLS_Cloud.pdf)