Changed docs

README.md

@@ -31,9 +31,18 @@ The vars directory is scanned by atmos and matches the current workspace to the
 To get the most out of Terraform workspaces it is recommended that the AWS provider uses the profile attribute.
 
 ```
+# main.tf
 provider "aws" {
     region = "${var.region}"
-    profile = "${terraform.workspace}"
+    profile = "${var.workspace}"
+}
+```
+
+```
+# variables.tf
+variable "workspace" {
+    type = "string"
+    default = "default"
 }
 ```