Update README.md (#134)

Author: yprikhodko

README.md

@@ -20,7 +20,7 @@
 1. :heavy_exclamation_mark: Complete the prerequisites for respective dashboard
     - [CUDOS Dashboard](https://wellarchitectedlabs.com/cost/200_labs/200_cloud_intelligence/cost-usage-report-dashboards/dashboards/1_prerequistes/)
     - [Cost Intelligence Dashboard](https://wellarchitectedlabs.com/cost/200_labs/200_cloud_intelligence/cost-usage-report-dashboards/dashboards/1_prerequistes/)
-    - [Trusted Advisor (TAO) Dashboard](https://tao.workshop.aws/prerequisites.html)
+    - [Trusted Advisor (TAO) Dashboard](https://wellarchitectedlabs.com/cost/200_labs/200_cloud_intelligence/trusted-advisor-dashboards/dashboards/1_prerequistes/)
     - [Trends Dashboard](https://wellarchitectedlabs.com/cost/200_labs/200_cloud_intelligence/trusted-advisor-dashboards/dashboards/1_prerequistes/)
 
 2. :heavy_exclamation_mark: [Specifying a Query Result Location Using a Workgroup](https://docs.aws.amazon.com/athena/latest/ug/querying.html#query-results-specify-location-workgroup)