diff --git a/po/README b/po/README
index 5420127..e821b02 100644
--- a/po/README
+++ b/po/README
@@ -1,4 +1,6 @@
 .. -*- mode: rst; coding: utf-8 -*-
+.. role:: filename(literal)
+.. default-role:: filename
 
 ============================================
 Star Traders: A Game of Interstellar Trading