diff --git a/Introduction.md b/Introduction.md
index 215039e..d69506c 100644
--- a/Introduction.md
+++ b/Introduction.md
@@ -91,3 +91,4 @@ See the [Plugin Architecture](Plugin-UI-architecture) page for a detailed overvi
 
 [job control patch]: https://groups.google.com/forum/#!topic/vim_dev/QF7Bzh1YABU
 [json-rpc]: http://www.jsonrpc.org/specification
+[test]: http://test.com
\ No newline at end of file