Update modules/ROOT/partials/docker/hyperlinking-service/hyperlinking-service-installation.adoc

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

Author: soritaheng

modules/ROOT/partials/docker/hyperlinking-service/hyperlinking-service-installation.adoc

@@ -2,7 +2,7 @@
 == Installation
 
 [NOTE]
-A valid license key is needed in order to install {linkcheckerplugin} and {mediaembedplugin} On-Premises.
+A valid xref:license-key.adoc[License Key] is **required** in order to install {linkcheckerplugin} and {mediaembedplugin} On-Premises.
 link:https://www.tiny.cloud/contact/[Contact us] for a trial license key.
 
 === Retrieve Docker Image