diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index 9009df305..96b880b34 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -47,7 +47,7 @@ Here's another one with *emphasised* text.
 > > This is nested blockquote.
 >
 >> Without a space works too.
->>> to three levels of [term papers](http://www.superiorpapers.com/)
+>>> to three levels
 >
 > Back to the first level.