Merge branch 'nagyv-gitlab-master-patch-60075' into 'master'

Added missing link

See merge request gitlab-org/gitlab!47290

doc/user/infrastructure/index.md

@@ -35,6 +35,8 @@ Read more on setting up and [using GitLab Managed Terraform states](terraform_st
 
 Collaborating around Infrastructure as Code (IaC) changes requires both code changes and expected infrastructure changes to be checked and approved. GitLab provides a solution to help collaboration around Terraform code changes and their expected effects using the Merge Request pages. This way users don't have to build custom tools or rely on 3rd party solutions to streamline their IaC workflows.
 
+Read more on setting up and [using the merge request integrations](mr_integration.md).
+
 ## Quick Start
 
 Use the following `.gitlab-ci.yml` to set up a simple Terraform project integration