Update tutorials/terraform-quickstart/index.mdx

Co-authored-by: Jessica <[email protected]>

Author: bene2k1

tutorials/terraform-quickstart/index.mdx

@@ -86,7 +86,7 @@ The installation of Terraform on Linux can be done in a few simple steps.
     ```
     apt update && apt install terraform
     ```
-4. Test the installation by running the `terraform version` command.
+6. Test the installation by running the `terraform version` command.
     ```
     terraform version
     Terraform v1.9.8