GITBOOK-14: change request with no subject merged in GitBook

documentation/functions/domain/R53_ALIAS.md

@@ -41,7 +41,7 @@ The zone id can be found depending on the target type:
 * _S3 bucket_ (configured as website): specify the hosted zone ID for the region that you created the bucket in. You can find it in [the List of regions and hosted Zone IDs](https://docs.aws.amazon.com/general/latest/gr/rande.html#s3\_region)
 * _Another Route 53 record_: you can either specify the correct zone id or do not specify anything and DNSControl will figure out the right zone id. (Note: Route53 alias can't reference a record in a different zone).
 
-Target health evaluation can be enabled with the [`R53_EVALUATE_TARGET_HEALTH`](../record/R53\_EVALUATE\_TARGET\_HEALTH.md) record modifier..
+Target health evaluation can be enabled with the [`R53_EVALUATE_TARGET_HEALTH`](../record/R53\_EVALUATE\_TARGET\_HEALTH.md) record modifier...
 
 {% code title="dnsconfig.js" %}
 ```javascript