diff --git a/recipe/0229-behavior-ranges/index.md b/recipe/0229-behavior-ranges/index.md
index b368ef7fb..6fd097d6e 100644
--- a/recipe/0229-behavior-ranges/index.md
+++ b/recipe/0229-behavior-ranges/index.md
@@ -5,6 +5,7 @@ layout: recipe
 tags: structure
 summary: "How to tell a viewer to create a thumbnail-based visual navigation of a video as well as to exclude a segment of that video from any such navigation."
 viewers:
+  - Theseus
 topic: 
  - structure
 ---