diff --git a/mod/admin.php b/mod/admin.php
index da39e1bee..39f750218 100644
--- a/mod/admin.php
+++ b/mod/admin.php
@@ -1608,7 +1608,7 @@ function admin_page_site(App $a)
'$hide_help' => ['hide_help', L10n::t("Hide help entry from navigation menu"), Config::get('system', 'hide_help'), L10n::t("Hides the menu entry for the Help pages from the navigation menu. You can still access it calling /help directly.")],
'$singleuser' => ['singleuser', L10n::t("Single user instance"), Config::get('system', 'singleuser', '---'), L10n::t("Make this instance multi-user or single-user for the named user"), $user_names],
- '$storagebackend' => ['storagebackend', L10n::t("File storage backend"), $storage_current_backend, L10n::t('The backend used to store uploaded files data. If you change the storage backend, you have to manually move the existing files see the settings documentation for more information about the choices and the moving procedure.'), $storage_backends_choices],
+ '$storagebackend' => ['storagebackend', L10n::t("File storage backend"), $storage_current_backend, L10n::t('The backend used to store uploaded data. If you change the storage backend, you can manually move the existing files. If you do not do so, the files uploaded before the change will still be available at the old backend. Please see the settings documentation for more information about the choices and the moving procedure.'), $storage_backends_choices],
'$storageform' => $storage_form,
'$maximagesize' => ['maximagesize', L10n::t("Maximum image size"), Config::get('system', 'maximagesize'), L10n::t("Maximum size in bytes of uploaded images. Default is 0, which means no limits.")],
'$maximagelength' => ['maximagelength', L10n::t("Maximum image length"), Config::get('system', 'max_image_length'), L10n::t("Maximum length in pixels of the longest side of uploaded images. Default is -1, which means no limits.")],