diff --git a/website/docs/configuration/locals.html.md b/website/docs/configuration/locals.html.md
index 236e93dfe..5d8c7569b 100644
--- a/website/docs/configuration/locals.html.md
+++ b/website/docs/configuration/locals.html.md
@@ -45,7 +45,7 @@ values from elsewhere in the module:
 ```hcl
 locals {
   # Ids for multiple sets of EC2 instances, merged together
-  instance_ids = "${concat(aws_instance.blue.*.id, aws_instance.green.*.id)}"
+  instance_ids = concat(aws_instance.blue.*.id, aws_instance.green.*.id)
 }
 
 locals {