diff --git a/Part-4:-Headband.md b/Part-4:-Headband.md
index e3133d9..3c4f5bc 100644
--- a/Part-4:-Headband.md
+++ b/Part-4:-Headband.md
@@ -131,6 +131,9 @@ You will need the following hardware:
 ## Step 20: Complete inserting the Headband Flexbars into the Headband Caps
 
 ![enter image description here](https://lh3.googleusercontent.com/pw/AMWts8CG__Xe79UfMhDUmIPigNJ54v3c92hJDoJOnqpRiWgzAvt4x0u5CnVyzkPjus6vwL1oeNf5v7hZfIRAdbLH7Vk_fxUDffdWBLcKxwfLEaJvzhNgLMirFYvuU6JBusG7NRkd71wAFuLMzsVzBO5BeB09=w1434-h955-no?authuser=0)
+
+- Ensure that the Flexbars are inserted in the proper orientation in the Headband Caps. If they're not both "facing outward", as in the photo, you won't be able to insert the Headband Slider.
+
 ## Step 21: Place the Headband Foam into the Headband assembly
 
 ![enter image description here](https://lh3.googleusercontent.com/pw/AMWts8Brx34eSu7hl7f-C07_RN1jr78MIthVVlylnq8WmMB142MCLQWEwbWmmmsOWiv-ZtjxKOvPESi4zP0I4OYPfGGpnZf4xT43Nm7_NVNOVjlJQjOXlaKDHXpnRi3TvX6WG1uWd6hjGG1BNkG5XHZzx6TM=w1434-h955-no?authuser=0)