Update alexa.smart_home.markdown (home-assistant#12555)

ochlocracy · web-flow · commit 7e1b8e134de4 · 2020-03-30T16:43:38.000+02:00
diff --git a/source/_integrations/alexa.smart_home.markdown b/source/_integrations/alexa.smart_home.markdown
@@ -578,7 +578,7 @@ View a camera stream on an Amazon echo device.
 
 The [`stream`](/integrations/stream/) integration is required to stream cameras to Amazon echo devices.
 
-The Amazon echo device will request the camera stream from Home Assistant. The Home Assistant URL must be accessible from the network the Amazon echo device is connected to and must support HTTPS on port 443 with a certificate signed by [an Amazon approved certificate authority](https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReport). These requirements can be satisfied with with Home Assistant Cloud, or LetsEncrypt/DuckDNS.
+The Amazon echo device will request the camera stream from Home Assistant. The Home Assistant URL must be accessible from the network the Amazon echo device is connected to and must support HTTPS on port 443 with a certificate signed by [an Amazon approved certificate authority](https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReport). These requirements can be satisfied with Home Assistant Cloud, or LetsEncrypt/DuckDNS.
 
 Enable preload stream option for cameras used with echo devices to reduce response time, and prevent timing out before the 6 second limit.   
 
