diff --git a/modules/reference/pages/feature/mpOpenAPI-3.1/examples.adoc b/modules/reference/pages/feature/mpOpenAPI-3.1/examples.adoc
index a889eb6ed..79956a5dc 100644
--- a/modules/reference/pages/feature/mpOpenAPI-3.1/examples.adoc
+++ b/modules/reference/pages/feature/mpOpenAPI-3.1/examples.adoc
@@ -34,4 +34,36 @@ For example, the following configuration is for the `sample_app` application, wh
 
 - The `<info>` element sets the info section for the final OpenAPI document, which documents web modules 1, 2, and 4.
 
-For more information, see xref:ROOT:documentation-openapi.adoc#multi-module[Multiple application and multi-module application support with MicroProfile OpenAPI]
\ No newline at end of file
+For more information, see xref:ROOT:documentation-openapi.adoc#multi-module[Multiple application and multi-module application support with MicroProfile OpenAPI]
+
+
+== mpOpenAPI-4.0 - Will be placed in another doc (Placed here for REVIEW)
+
+By default, all deployed applications and modules are included in the OpenAPI documentation. However, you can configure which applications and modules should be included.
+
+For example, the following configuration is for the `sample_app` application, which consists of an `EAR` file containing five web modules.
+
+[source,xml]
+----
+<mpOpenAPI>
+  <excludeModule>sample_app/module-3</excludeModule>
+  <excludeModule>sample_app/module-5</excludeModule>
+  <info title="A multi-module sample application"
+        description="This is a sample application."
+        version="2.0.1"
+        termsOfService="http://example.com/sample_app/terms"
+        contactName="API Support"
+        contactUrl="http://www.example.com/sample_app/support"
+        contactEmail="sample_app_support@example.com"
+        licenseName="License 2.0"
+        licenseUrl="https://www.example.org/licenses/LICENSE-2.0.html"
+        />
+</mpOpenAPI>
+----
+
+- The `<excludeModule>` elements exclude the `module-3` and `module-5` web modules.
+
+- The `<info>` element sets the info section for the final OpenAPI document, which documents web modules 1, 2, and 4.
+
+For more information, see xref:ROOT:documentation-openapi.adoc#multi-module[Multiple application and multi-module application support with MicroProfile OpenAPI]
+