1 files changed, 1 insertions, 1 deletions

diff --git a/vendor/github.com/hashicorp/hcl2/hcl/traversal_for_expr.go b/vendor/github.com/hashicorp/hcl2/hcl/traversal_for_expr.go
index d4a565a..f69d5fe 100644
--- a/vendor/github.com/hashicorp/hcl2/hcl/traversal_for_expr.go
+++ b/vendor/github.com/hashicorp/hcl2/hcl/traversal_for_expr.go
@@ -36,7 +36,7 @@ func AbsTraversalForExpr(expr Expression) (Traversal, Diagnostics) {
                 &Diagnostic{
                         Severity: DiagError,
                         Summary:  "Invalid expression",
-                        Detail:   "A static variable reference is required.",
+                        Detail:   "A single static variable reference is required: only attribute access and indexing with constant keys. No calculations, function calls, template expressions, etc are allowed here.",
                         Subject:  expr.Range().Ptr(),
                 },
         }