added instructions on how to target specific modules in terraform plan stage

README.md

@@ -69,17 +69,19 @@ unzip terraform_0.12.3_linux_amd64.zip -d ~/bin
 
 - `$terraform plan -out $HOME/terraform-first-instance/terraform-plan.tf`
 
-**_(Note)_** There's a target parameter that will let you specify just one piece. Run it via plan like so:
+**_(Note)_** `$terraform plan -out` writes the plan to a file and then `terraform apply` runs that plan.
 
-- `$terraform plan -out $HOME/terraform-first-instance/name-of-plan.tf -target=module.name-of-module-to-run`
+- `$terraform apply "$HOME/terraform-first-instance/terraform-plan.tf"`
 
-You can also target multiple modules.
 
-- `$terraform plan -out $HOME/terraform-first-instance/name-of-plan.tf -target=module.name-of-module-to-run -target=module.name-of-other-module-to-run`
+### There's a target parameter that will let you specify just one module as defined in the root main file. Run it via plan like so:
 
-**_(Note)_** `$terraform plan -out` writes the plan to a file and then `terraform apply` runs that plan.
+- `$terraform plan -out $HOME/terraform-first-instance/name-of-plan.tf -target=module.name-of-module-to-run`
+
+**_(Note)_** You can also target multiple modules.
+
+- `$terraform plan -out $HOME/terraform-first-instance/name-of-plan.tf -target=module.name-of-module -target=module.name-of-other-module`
 
-- `$terraform apply "$HOME/terraform-first-instance/name-of-plan.tf"`
 
 ### Destroy Terraform Instance: