diff --git a/source/_includes/installation/operating_system.md b/source/_includes/installation/operating_system.md
index 1ff82edbce2..3c65d63c8a1 100644
--- a/source/_includes/installation/operating_system.md
+++ b/source/_includes/installation/operating_system.md
@@ -16,7 +16,7 @@ We will need a few things to get started with installing Home Assistant. Links b
 - [Power Supply for Raspberry Pi 4](https://amzn.to/2ReZ2Vq) or [Power Supply for Raspberry Pi 3](https://amzn.to/2R8yG7h)
 - [Micro SD Card](https://amzn.to/2X0Z2di). Ideally get one that is [Application Class 2](https://www.sdcard.org/developers/overview/application/index.html) as they handle small I/O much more consistently than cards not optimized to host applications. A 32 GB or bigger card is recommended.
 - SD Card reader. This is already part of most laptops, but you can purchase a [standalone USB adapter](https://amzn.to/2WWxntY) if you don't have one. The brand doesn't matter, just pick the cheapest.
-- Ethernet cable. Home Assistant can work with Wi-Fi, but an Ethernet connection is more reliable and highly recommended.
+- [Ethernet cable](https://amzn.com/dp/B00N2VISLW). Required for installation. After installation, Home Assistant can work with Wi-Fi, but an Ethernet connection is more reliable and highly recommended.
 
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