From 14baa769ab2b51daa4e20b308bf013c041d32c92 Mon Sep 17 00:00:00 2001
From: Megan Marsh <megan@hashicorp.com>
Date: Wed, 23 Oct 2019 12:00:00 -0700
Subject: [PATCH] improve error message

---
 template/parse.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/template/parse.go b/template/parse.go
index 903c98138..ff5c60988 100644
--- a/template/parse.go
+++ b/template/parse.go
@@ -371,7 +371,7 @@ func Parse(r io.Reader) (*Template, error) {
 			if unused[0] == '_' {
 				commentVal, ok := unusedMap[unused].(string)
 				if !ok {
-					return nil, fmt.Errorf("Failed to cast root level comment value to string")
+					return nil, fmt.Errorf("Failed to cast root level comment value in comment \"%s\" to string.", unused)
 				}
 
 				comment := map[string]string{