Merge pull request #35286 from bikash30851

* gh-35286:
  Polish "Document audience support in Oauth2 resource server"
  Document audience support in Oauth2 resource server

Closes gh-35286

Author: wilkinsona

spring-boot-project/spring-boot-docs/src/docs/asciidoc/web/spring-security.adoc

@@ -201,8 +201,21 @@ For JWT configuration, a JWK Set URI or OIDC Issuer URI needs to be specified, a
 NOTE: If the authorization server does not support a JWK Set URI, you can configure the resource server with the Public Key used for verifying the signature of the JWT.
 This can be done using the configprop:spring.security.oauth2.resourceserver.jwt.public-key-location[] property, where the value needs to point to a file containing the public key in the PEM-encoded x509 format.
 
-The same properties are applicable for both servlet and reactive applications.
+The configprop:spring.security.oauth2.resourceserver.jwt.audiences[] property can be used to specifify the expected values of the aud claim in JWTs.
+For example, to require JWTs to contain an aud claim with the value `my-audience`:
+
+[source,yaml,indent=0,subs="verbatim",configprops,configblocks]
+----
+	spring:
+	  security:
+	    oauth2:
+	      resourceserver:
+	        jwt:
+	          audiences:
+	            - "my-audience"
+----
 
+The same properties are applicable for both servlet and reactive applications.
 Alternatively, you can define your own `JwtDecoder` bean for servlet applications or a `ReactiveJwtDecoder` for reactive applications.
 
 In cases where opaque tokens are used instead of JWTs, you can configure the following properties to validate tokens through introspection:
@@ -220,7 +233,6 @@ In cases where opaque tokens are used instead of JWTs, you can configure the fol
 ----
 
 Again, the same properties are applicable for both servlet and reactive applications.
-
 Alternatively, you can define your own `OpaqueTokenIntrospector` bean for servlet applications or a `ReactiveOpaqueTokenIntrospector` for reactive applications.