Merge pull request #39616 from wanger26

* pr/39616:
  Polish "Add note regarding mixing of bundle-based and direct SSL configuration"
  Add note regarding mixing of bundle-based and direct SSL configuration

Closes gh-39616

Author: scottfrederick

spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto/webserver.adoc

@@ -211,6 +211,8 @@ Alternatively, the SSL trust material can be configured in an <<features#feature
 	    bundle: "example"
 ----
 
+NOTE: The `server.ssl.bundle` property can not be combined with the discrete Java KeyStore or PEM property options under `server.ssl`.
+
 See {spring-boot-module-code}/web/server/Ssl.java[`Ssl`] for details of all of the supported properties.