Merge pull request #3594 from replicatedhq/content-additions

Content additions and updates

Author: AmberAlston

docs/vendor/enterprise-portal-configure.mdx

@@ -84,7 +84,7 @@ To configure customer emails:
 
 ## Customize Documentation
 
-The install and update instructions available in the Enterprise Portal are automatically generated based on the install types and options enabled in the customer's license. For more information about managing the installation types and options, see [Manage Install Types for a License](/vendor/licenses-install-types).
+The install instructions available in the Enterprise Portal are automatically generated based on the install types and options enabled in the customer's license. For more information about managing the installation types and options, see [Manage Install Types for a License](/vendor/licenses-install-types).
 
 You can also customize the documentation that is displayed in the Enterprise Portal by including a link to your installation instructions or by adding your own pre- and post-installation instructions. 
 

docs/vendor/security-center-about.mdx

@@ -16,6 +16,7 @@ The Security Center is powered by Replicated’s [SecureBuild](https://securebui
 * The Security Center is Alpha. The features and functionality of the Security Center are subject to change.
 * Access to the Security Center Alpha requires a feature flag be turned on for your team. For more information, reach out to your Replicated account representative.
 * Security Center reporting is available only for Embedded Cluster and Helm CLI installations. It is not available for kURL installations or for KOTS installations in an existing cluster.
+* Display and reporting of Embedded Cluster images requires the [Replicated SDK version 1.9.0](/release-notes/rn-replicated-sdk#190) or later.
 
 ## Security Center Interfaces