diff --git a/1.2-Plugin-Source-Directory.md b/1.2-Plugin-Source-Directory.md
index bc97c0a..8cae014 100644
--- a/1.2-Plugin-Source-Directory.md
+++ b/1.2-Plugin-Source-Directory.md
@@ -6,6 +6,7 @@
 | `includes.php` | Includes all of the PHP files. |
 | `license.txt` | The license under which the Plugin is released. |
 | `readme.txt` | The Plugin readme for display on the WordPress Plugin Directory. |
+| `wpml-config.xml` | Used by the [WPML Plugin](https://wpml.org/documentation/support/language-configuration-files/) for translation. |
 
 ## Sub-directories