Update services.yaml

Author: rlhagerm

aws_doc_sdk_examples_tools/config/services.yaml

@@ -842,7 +842,8 @@ connect:
   version: connect-2017-08-08
 controltower:
   api_ref: controltower/latest/APIReference/Welcome.html
-  blurb: ''
+  blurb: enables you to enforce and manage governance rules for security, operations, and compliance 
+    at scale across all your organizations and accounts
   sdk_id: ControlTower
   expanded:
     long: AWS Control Tower
@@ -854,7 +855,7 @@ controltower:
   short: '&CTower;'
   sort: Control Tower
   tags:
-    product_categories: {}
+    product_categories: {'Management & Governance'}
   version: controltower-2018-05-10
 cost-and-usage-report-service:
   api_ref: aws-cost-management/latest/APIReference/Welcome.html