Update i18n_l10n.md

docs/general/i18n_l10n.md

@@ -13,11 +13,11 @@ To enable use of CiviCRM in a new language translation you need to
 
 The exact instructions on how to download and install the translations files differ between platforms:
 
-* [Backdrop](../../backdrop/#i18n)
-* [Drupal 9](../../drupal/index.md#drupal9-i18n)
-* [Drupal 7](../../drupal/#drupal7-i18n)
-* [Joomla](../../joomla/index.md)
-* [Wordpress](../../wordpress/#i18n)
+* [Backdrop](../backdrop/index.md#i18n)
+* [Drupal 9](../drupal/index.md#drupal9-i18n)
+* [Drupal 7](../drupal/index.md#drupal7-i18n)
+* [Joomla](../joomla/index.mdindex.md)
+* [Wordpress](../wordpress/index.md#i18n)
 
 ## Changing the default CiviCRM language after installation