Merge pull request #30461 from dalbani

* gh-30461:
  Polish "Refer to list of internal proxies in reference documentation"
  Refer to list of internal proxies in reference documentation

Closes gh-30461

Author: wilkinsona

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

@@ -451,8 +451,8 @@ If you use Tomcat, you can additionally configure the names of the headers used
 	      protocol-header: "x-your-protocol-header"
 ----
 
-Tomcat is also configured with a default regular expression that matches internal proxies that are to be trusted.
-By default, IP addresses in `10/8`, `192.168/16`, `169.254/16` and `127/8` are trusted.
+Tomcat is also configured with a regular expression that matches internal proxies that are to be trusted.
+See the <<application-properties.adoc#application-properties.server.server.tomcat.remoteip.internal-proxies,configprop:server.tomcat.remoteip.internal-proxies[] entry in the appendix>> for its default value.
 You can customize the valve's configuration by adding an entry to `application.properties`, as shown in the following example:
 
 [source,yaml,indent=0,subs="verbatim",configprops,configblocks]