Update modules/ROOT/partials/docker/image-proxy-service/image-proxy-service-requirements.adoc

Co-authored-by: Karl Kemister-Sheppard <[email protected]>

Author: soritaheng

modules/ROOT/partials/docker/image-proxy-service/image-proxy-service-requirements.adoc

@@ -1,7 +1,7 @@
 [[requirements]]
 == Requirements
 
-* The link:https://docs.docker.com/engine/docker-overview/[Docker Engine] is installed and running.
+* The link:https://docs.docker.com/engine/docker-overview/[Docker Engine^] is installed and running.
 * The user has Administrative or Root user access to run the Docker commands.
 * The user is either:
 ** Using a Unix-like operating system, such as Linux or macOS.