diff --git a/docs/extensions/info-xml.md b/docs/extensions/info-xml.md
index 76f688f68fb7b3e859b7f6cbdaaa320abda8a8ab..27561782dd6e6dedb4a99f4c4ddbc532fcde39bd 100644
--- a/docs/extensions/info-xml.md
+++ b/docs/extensions/info-xml.md
@@ -84,6 +84,14 @@ Elements acceptable within `<classloader>`
 | -- | -- |
 | [`<psr4>`](#psr4) | 1+ |
 
+For example, if you want to write PHP classes in the `Civi` namespace and autoload those classes within your extension, you'll need to use the following XML:
+
+```xml
+<classloader>
+  <psr4 prefix="Civi\" path="Civi"/>
+</classloader>
+```
+
 ### `<comments>` {:#comments}
 
 * Containing element: [`<extension>`](#extension)