configupgrade: fix test (#20863)

configs/configupgrade/test-fixtures/valid/invalid-resource-name/want/resource.tf

@@ -2,7 +2,7 @@
 # resource name with a number, but it is no longer possible in Terraform v0.12.
 #
 # Rename the resource and run `terraform state mv` to apply the rename in the
-# state. Detailed information on the `state mv` command can be found in the
+# state. Detailed information on the `state move` command can be found in the
 # documentation online: https://www.terraform.io/docs/commands/state/mv.html
 resource "test_instance" "1_invalid_resource_name" {
 }