diff --git a/content/rancher/v2.x/en/overview/architecture/_index.md b/content/rancher/v2.x/en/overview/architecture/_index.md
index c449c034b36..ec69826b483 100644
--- a/content/rancher/v2.x/en/overview/architecture/_index.md
+++ b/content/rancher/v2.x/en/overview/architecture/_index.md
@@ -7,7 +7,7 @@ This section explains how Rancher interacts with the two fundamental technologie
 
 ## Docker
 
-Docker is the container packaging and runtime standard. Developers build container images from Dockerfiles and distribute container images from Docker registries. [Docker Hub](http://hub.docker.com) is the most popular public registry. Many organizations also setup private Docker registries. Docker is primarily used to manage containers on individual nodes.
+Docker is the container packaging and runtime standard. Developers build container images from Dockerfiles and distribute container images from Docker registries. [Docker Hub](https://hub.docker.com) is the most popular public registry. Many organizations also setup private Docker registries. Docker is primarily used to manage containers on individual nodes.
 
 >**Note:** Although Rancher 1.6 supported Docker Swarm clustering technology, it is no longer supported in Rancher 2.0 due to the success of Kubernetes.