diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index ecf344453f8..37cc1411f81 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
@@ -3909,7 +3909,7 @@ substring('foobar' from 'o(.)b') o
to_timestamp(text, text)
- timestamp
+ timestamp with time zone
convert string to time stamp
to_timestamp('05 Dec 2000', 'DD Mon YYYY')