diff --git a/doc/src/sgml/ltree.sgml b/doc/src/sgml/ltree.sgml
index 8a7a36390d3..8528e9d0454 100644
--- a/doc/src/sgml/ltree.sgml
+++ b/doc/src/sgml/ltree.sgml
@@ -34,7 +34,7 @@
length of a label path must be less than 65Kb, but keeping it under 2Kb is
preferable. In practice this is not a major limitation; for example,
the longest label path in the DMOZ catalog () is about 240 bytes.
+ url="http://www.dmoztools.net">) is about 271 bytes.