fix CloudTrail service name and URL.

Author: sot528

doc_source/stacksets-sampletemplates.md

@@ -1,6 +1,6 @@
 # AWS CloudFormation StackSets sample templates<a name="stacksets-sampletemplates"></a>
 
-This section includes links to some sample AWS CloudFormation templates that can help you use AWS CloudFormation StackSets in your enterprise\. Templates listed in this section enable [CloudTrail](https://aws.amazon.com/cloudtrail) or [AWS Config](http://docs.aws.amazon.com/config/latest/developerguide/WhatIsConfig.html) and rules within it\.
+This section includes links to some sample AWS CloudFormation templates that can help you use AWS CloudFormation StackSets in your enterprise\. Templates listed in this section enable [AWS CloudTrail](https://docs.aws.amazon.com/awscloudtrail/latest/userguide/cloudtrail-user-guide.html) or [AWS Config](http://docs.aws.amazon.com/config/latest/developerguide/WhatIsConfig.html) and rules within it\.
 
 
 **Sample templates**