Update docs to link project and admin text

doc/administration/wikis/index.md

@@ -84,7 +84,7 @@ read the documentation on [reducing repository size](../../user/project/reposito
 
 ## Allow URI includes for AsciiDoc
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/348687) in GitLab 16.X (TBD)
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/348687) in GitLab 16.1.
 
 Include directives import content from separate pages or external URLs,
 and display them as part of the content of the current document. To enable

doc/user/asciidoc.md

@@ -244,9 +244,6 @@ pages, change the filename from `.adoc` to `.asciidoc`.
 
 ```plaintext
 include::basics.adoc[]
-
-// define -a allow-uri-read to allow content to be read from URI
-include::https://example.org/installation.adoc[]
 ```
 
 To guarantee good system performance and prevent malicious documents from causing
@@ -254,6 +251,14 @@ problems, GitLab enforces a maximum limit on the number of include directives
 processed in any one document. You can include up to 32 documents, which is
 inclusive of transitive dependencies.
 
+To use includes from separate pages or external URLs, enable the `allow-uri-read`
+in [application settings](../administration/wikis/index.md#allow-uri-includes-for-asciidoc).
+
+```plaintext
+// define application setting allow-uri-read to true to allow content to be read from URI
+include::https://example.org/installation.adoc[]
+```
+
 ### Blocks
 
 ```plaintext