diff --git a/Part-4:-Headband.md b/Part-4:-Headband.md
index 8b44358..ad4694d 100644
--- a/Part-4:-Headband.md
+++ b/Part-4:-Headband.md
@@ -82,7 +82,7 @@ You will need the following 3D-printed components:
 
 - 2 Headband Cap
 - 2 Headband Plug
-- 2 Headband Plug Tensioner
+- 4 Headband Plug Tensioner
 - 4 Headband Flexbar
 
 You will need the following hardware: