[AWSX] doc(logs forwarder): update tracing cloudformation template var description (#1016)

Author: ge0Aja

aws/logs_monitoring/template.yaml

@@ -281,7 +281,7 @@ Parameters:
     AllowedValues:
       - "true"
       - "false"
-    Description: Set to false to disable trace forwarding.
+    Description: Set to false to disable trace creation and forwarding. See https://docs.datadoghq.com/tracing/trace_collection/library_config/python/#traces
   DdEnhancedMetrics:
     Type: String
     Default: "false"