diff --git a/website/docs/r/lb_trust_store.html.markdown b/website/docs/r/lb_trust_store.html.markdown
index 002a0b19fcb..43eb1e7c012 100644
--- a/website/docs/r/lb_trust_store.html.markdown
+++ b/website/docs/r/lb_trust_store.html.markdown
@@ -31,7 +31,7 @@ resource "aws_lb_listener" "example" {
     type             = "forward"
   }
 
-  mutual_authentication = {
+  mutual_authentication {
     mode            = "verify"
     trust_store_arn = aws_lb_trust_store.test.arn
   }