Change the link to docs

README.md

@@ -3,7 +3,7 @@ A Terraform module to provision Django-Girder infrastructure on Heroku + AWS.
 
 This provides a Heroku app, an IAM user, an S3 storage, and outgoing SMTP credentials.
 
-See [full usage documentation at Terraform Registry](https://registry.terraform.io/modules/girder/django/heroku/latest).
+See [full usage documentation at Terraform Registry](https://registry.terraform.io/modules/girder/django/heroku).
 
 ## Note on AWS Email Sending
 [Every AWS account must explicitly apply to send real emails](https://docs.aws.amazon.com/ses/latest/DeveloperGuide/request-production-access.html),