Is this terraform plan diff ok?

Situation

A teammate shares a terraform plan diff after updating resource tagging standards.

Environment

Production AWS account with existing EC2 web servers.

Select suspicious lines in the terminal to flag them before submitting your verdict.

pending review

  # aws_instance.web[0] will be updated in-place
  ~ resource "aws_instance" "web" {
        id                           = "i-0abc123def456789"
      ~ tags                         = {
          + "CostCenter"    = "engineering"
          + "Owner"         = "platform-team"
            "Environment"   = "production"
        }
        # (12 unchanged attributes hidden)
    }