diff --git a/Ploopy-Nano-Trackball-Kit-Assembly.md b/Ploopy-Nano-Trackball-Kit-Assembly.md
index 3fb349b..d3d0ef4 100644
--- a/Ploopy-Nano-Trackball-Kit-Assembly.md
+++ b/Ploopy-Nano-Trackball-Kit-Assembly.md
@@ -43,6 +43,12 @@ Most of the time, it can be removed using nothing but your fingers. If you find
 
 **MAKE SURE THAT THE ADNS-5050 IS ORIENTED CORRECTLY BEFORE YOU SOLDER IT!** This is a really easy step to mess up, so *DOUBLE-CHECK IT!*
 
+## Step X: Place aluminum tape into base
+
+**TODO photo of aluminum tape placed into base**
+
+Try your best to copy the placement of the tape as is shown in the photo.
+
 ## Step X: Place printed circuit board into base
 
 **TODO photo of PCB in base**