diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 2917cf1a44..05d661fc24 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
@@ -6096,7 +6096,7 @@ SELECT TIMESTAMP 'now';
circle(point, double precision)
circle
- point and radius to circle
+ center and radius to circle
circle(point '(0,0)', 2.0)
@@ -6117,12 +6117,31 @@ SELECT TIMESTAMP 'now';
polygon to path
path(polygon '((0,0),(1,1),(2,0))')
+
+ point(double
+ precision, double precision)
+ point
+ construct point
+ point(23.4, -44.5)
+
+
+ point(box)
+ point
+ center of box
+ point(box '((-1,0),(1,0))')
+
point(circle)
point
center of circle
point(circle '((0,0),2.0)')
+
+ point(lseg)
+ point
+ center of lseg
+ point(lseg '((-1,0),(1,0))')
+
point(lseg, lseg)
point