diff --git a/dev/demo/relationsdemo.js b/dev/demo/relationsdemo.js
index 12d536c..81581aa 100644
--- a/dev/demo/relationsdemo.js
+++ b/dev/demo/relationsdemo.js
@@ -82,12 +82,12 @@
   ;
 
   rel
-    .addRel({ start: 0, end: 1, label: "a"})
-    .addRel({ start: 0, end: 1, label: "b" })
+    .addRel({ start: 0, end: 1, label: "a", direction: "uni"})
+    .addRel({ start: 0, end: 1, label: "b", direction: "uni" })
     .addRel({ start: 1, end: 2, label: "c", direction: "bi"   })
-    .addRel({ start: 0, end: 2, label: "d" })
-    .addRel({ start: [2,4], end: 5, label: "e", direction: "uni"  })
-    .addRel({ start: [5,6], end: 7, label: "g" })
+    .addRel({ start: 0, end: 2, label: "dreizehn", direction: "uni" })
+    .addRel({ start: [2,4], end: 5, label: "e", direction: "uni" })
+    .addRel({ start: [5,6], end: 7, label: "g", direction: "uni" })
     .addRel({ start: 4, end: [6,8], label: "f", direction: "bi" })
   ;