diff --git a/utils/vhost/https.go b/utils/vhost/https.go
index e6814874..a2b980b3 100644
--- a/utils/vhost/https.go
+++ b/utils/vhost/https.go
@@ -176,7 +176,7 @@ func readHandshake(rd io.Reader) (host string, err error) {
 		}
 		data = data[length:]
 	}
-	err = fmt.Errorf("Unknow error")
+	err = fmt.Errorf("Unknown error")
 	return
 }