troubleshooting: grammar fixes

Author: kbrwn

Documentation/install/aws/troubleshooting.md

@@ -65,7 +65,7 @@ This validates that the installer is able to establish a TCP connection with the
 
 * __module.dns.data.aws_route53_zone.tectonic: data.aws_route53_zone.tectonic: no matching Route53Zone found"__
 
-Deploying to an private route53 dns zone using the `tectonic_aws_external_private_zone` parameter can result in failure to dectect the zone by the installer. This can be resolved by configuring terraform route53 module with the `private_zone` parameter. 
+Deploying to an private Amazon Route 53 DNS zone using the `tectonic_aws_external_private_zone` parameter can result in failure to dectect the zone by the installer. This can be resolved by configuring Terraform Route 53 module with the `private_zone` parameter. 
 
 ```
 # platform/aws/modules/dns/route53/tectonic.tf