Docs: Add note about which secure settings are valid
This commit adds a note to the docs to clarify that only some settings
can be used with the keystore.
@@ -8,6 +8,9 @@ tool to manage the settings in the keystore.
NOTE: All commands here should be run as the user which will run elasticsearch.
+NOTE: Only some settings are designed to be read from the keystore. See
+documentation for each setting to see if it is supported as part of the keystore.
+
[float]
[[creating-keystore]]
=== Creating the keystore
