Update README.md

gcp-region/README.md

@@ -15,9 +15,9 @@ This module adds Google Cloud Platform regions to your Coder template.
 To use this module, add the following snippet to your template manifest:
 
 ```hcl
-module "gcp_regions" {
+module "regions" {
   source      = "https://registry.coder.com/modules/gcp-regions"
-  gcp_regions = ["us-west1", "us-west2", "us-west3"] # Add your desired regions here, use ["all"] for all regions
+  default     = ["us-west1", "us-west2", "us-west3"] # Add your desired regions here, use ["all"] for all regions
   gpu_only    = true
 }
 ```