diff --git a/setup/moduleinstaller.class.inc.php b/setup/moduleinstaller.class.inc.php
index 62d5f0907a..bb304e34ff 100644
--- a/setup/moduleinstaller.class.inc.php
+++ b/setup/moduleinstaller.class.inc.php
@@ -316,7 +316,7 @@ abstract class ModuleInstallerAPI
 	 * @param string $sPreviousVersion The previous version of the module (empty string in case of first install)
 	 * @param string $sCurrentVersion The current version of the module
 	 * @param string $sFirstLoadingVersion The first module version for which the data loading should be performed (e.g. '3.0.0')
-	 * @param string $sDefaultFileName The pattern of the file to load, with {{language_code}} as placeholder for the language code (e.g. 'data.sample.{{language_code}}.xml')
+	 * @param string $sDefaultFileName The default (en_us) file to load, ending with '.en_us.xml' (e.g. 'data.sample.en_us.xml'); the localized variant for the configured language is used when available
 	 *
 	 * @return void
 	 * @throws \ConfigException