fixed i18n link

docs/internals/translations.md

@@ -26,4 +26,4 @@ automatically re-extract messages keeping unchanged ones intact.
 In the translation file each array element represents the translation (value) of a message (key). If the value is empty,
 the message is considered as not translated. Messages that no longer need translation will have their translations
 enclosed between a pair of '@@' marks. Message string can be used with plural forms format. Check [i18n section
-of the guide](i18n.md) for details.
+of the guide](../guide/i18n.md) for details.