diff --git a/source/_integrations/alexa.smart_home.markdown b/source/_integrations/alexa.smart_home.markdown
index e9bf2312a67..39bd72964a9 100644
--- a/source/_integrations/alexa.smart_home.markdown
+++ b/source/_integrations/alexa.smart_home.markdown
@@ -105,7 +105,7 @@ Steps to Integrate an Amazon Alexa Smart Home Skill with Home Assistant:
 
 ## Requirements
 
-- The Alexa Smart Home API requires your Home Assistant instance to be accessible from the internet via HTTPS on port 443 using an SSL/TLS certificate. A self-signed certificate will work, but a certificate signed by [an Amazon approved certificate authority](https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReport) is recommended. Read more on [our blog](/blog/2015/12/13/setup-encryption-using-lets-encrypt/) about how to set up encryption for Home Assistant. When running Home Assistant, using the [Duck DNS](/addons/duckdns/) add-on is the easiest method.
+- The Alexa Smart Home API requires your Home Assistant instance to be accessible from the internet via HTTPS on port 443 using an SSL/TLS certificate. A self-signed certificate will not work, but a public trusted certificate or a certificate signed by [an Amazon approved certificate authority](https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReport) should work. Read more on [our blog](/blog/2015/12/13/setup-encryption-using-lets-encrypt/) about how to set up encryption for Home Assistant. When running Home Assistant, using the [Duck DNS](/addons/duckdns/) add-on is the easiest method.
 - An Amazon Developer Account. Sign up [here](https://developer.amazon.com).
 - An [Amazon Web Services (AWS)](https://aws.amazon.com/free/) account is required to host the Lambda function for your Alexa Smart Home Skill. [AWS Lambda](https://aws.amazon.com/lambda/pricing/) is free to use for up to 1-million requests and 1GB outbound data transfer per month.
 
@@ -240,9 +240,9 @@ Alexa needs to link your Amazon account to your Home Assistant account. Therefor
   - `Authorization URI`: `https://[YOUR HOME ASSISTANT URL]/auth/authorize`
   - `Access Token URI`: `https://[YOUR HOME ASSISTANT URL]/auth/token`
 
-    It is also possible to use a different port by appending `:1443` or a similar port number, make sure your firewall is forwarding the correct port:
-  - `Authorization URI`: `https://[YOUR HOME ASSISTANT URL]:1443/auth/authorize`
-  - `Access Token URI`: `https://[YOUR HOME ASSISTANT URL]:1433/auth/token`
+    Although it is possible to assign a different port, Alexa requires you use port 443, so make sure your firewall/proxy is forwarding via port 443.
+
+    Read [more from the Alexa developer documentation](https://developer.amazon.com/en-US/docs/alexa/account-linking/requirements-account-linking.html) about requirements for account linking.
 
 <div class="note">
     Note: you must use a valid/trusted SSL certificate for account linking to work. Self signed certificates will not work, but you can use a free Let's Encrypt certificate.