From 6c523681247aaef8b46cbff0797db11e0928a0b2 Mon Sep 17 00:00:00 2001
From: Matt Holt <mholt@users.noreply.github.com>
Date: Tue, 2 Jun 2015 07:42:38 -0600
Subject: [PATCH] tls: Fix format string

---
 config/setup/tls.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/setup/tls.go b/config/setup/tls.go
index db311823..36ecac05 100644
--- a/config/setup/tls.go
+++ b/config/setup/tls.go
@@ -59,7 +59,7 @@ func TLS(c *Controller) (middleware.Middleware, error) {
 					return nil, c.ArgErr()
 				}
 			default:
-				return nil, c.Errf("Unknown keyword '%s'")
+				return nil, c.Errf("Unknown keyword '%s'", c.Val())
 			}
 		}
 	}