diff --git a/Part-5:-Amplifier,-Cables-and-Conclusion.md b/Part-5:-Amplifier,-Cables-and-Conclusion.md
index f2a568c..53e521d 100644
--- a/Part-5:-Amplifier,-Cables-and-Conclusion.md
+++ b/Part-5:-Amplifier,-Cables-and-Conclusion.md
@@ -12,6 +12,10 @@ You will need the following:
 - Amplifier Case Bottom
 - 2 Small Screws
 
+## OPTIONAL: Upload the latest firmware to the Amplifier
+
+Now is a good time to do this, since the PCB isn't yet in its case. [Follow these instructions to upload the latest firmware](https://github.com/ploopyco/headphones/wiki/Appendix-C:-Firmware-programming#2-uploading-new-firmwares-to-the-amplifier); it should take about five minutes.
+
 ## Step 2: Place the Amplifier PCB into the Amplifier Case Bottom
 
 ![enter image description here](https://lh3.googleusercontent.com/pw/AMWts8B8t4TAn3mtP8Gdy1-sgzdmRx1KwWLLI9eUU2namoHEQzMG4Vu3P-1dIDiV0-FnfqG5r0tzLYcEPhnPZD2z2LiI6efDYq2DTI17r81kRbTYw8HSeMlvvRDpAFQ7GVeVT1KiCMrL9b8HYuLsyUUlAYXq=w1434-h955-no?authuser=0)