Update Fleet-managed agent install docs

Author: kilfoyle

reference/fleet/install-fleet-managed-elastic-agent.md

@@ -65,12 +65,13 @@ To install an {{agent}} and enroll it in {{fleet}}:
 
     1. If you are enrolling the agent in a {{fleet-server}} that uses your organization’s certificate you *must* add the `--certificate-authorities` option to the command provided in the in-product instructions. If you do not include the certificate, you will see the following error: "x509: certificate signed by unknown authority".
 
+    2. Beginning with version 9.0, {{agent}} packages are available in multiple flavors. The default, "basic" flavor contains the components required for most use cases. A "servers" flavor is also available with additional components. You can adjust the `elastic-agent install` command as required to choose a different flavor. Refer to [{{agent}} installation flavors](./install-elastic-agents.md#elastic-agent-installation-flavors) for details.
+
         :::{image} images/kibana-agent-flyout.png
         :alt: Add agent flyout in {kib}
         :screenshot:
         :::
 
-
 After about a minute, the agent will enroll in {{fleet}}, download the configuration specified in the agent policy, and start collecting data.
 
 **Notes:**

reference/fleet/install-standalone-elastic-agent.md

@@ -166,7 +166,7 @@ To install and run {{agent}} standalone:
 
     1. The DEB package includes a service unit for Linux systems with systemd. On these systems, you can manage {{agent}} by using the usual systemd commands. If you don’t have systemd, run `sudo service elastic-agent start`.
 
-    By default the {{agent}} basic flavor is installed. To install the servers flavor add the `ELATIC_AGENT_FLAVOR=servers` parameter to both commands. Refer to [{{agent}} installation flavors](./install-elastic-agents.md#elastic-agent-installation-flavors) for details.
+    By default the {{agent}} basic flavor is installed. To install the servers flavor add the `ELASTIC_AGENT_FLAVOR=servers` parameter to both commands. Refer to [{{agent}} installation flavors](./install-elastic-agents.md#elastic-agent-installation-flavors) for details.
 
     ::::
 
@@ -179,7 +179,7 @@ To install and run {{agent}} standalone:
 
     1. The RPM package includes a service unit for Linux systems with systemd. On these systems, you can manage {{agent}} by using the usual systemd commands. If you don’t have systemd, run `sudo service elastic-agent start`.
 
-    By default the {{agent}} basic flavor is installed. To install the servers flavor add the `ELATIC_AGENT_FLAVOR=servers` parameter to both commands. Refer to [{{agent}} installation flavors](./install-elastic-agents.md#elastic-agent-installation-flavors) for details.
+    By default the {{agent}} basic flavor is installed. To install the servers flavor add the `ELASTIC_AGENT_FLAVOR=servers` parameter to both commands. Refer to [{{agent}} installation flavors](./install-elastic-agents.md#elastic-agent-installation-flavors) for details.
 
     ::::