diff --git a/doc/src/sgml/limits.sgml b/doc/src/sgml/limits.sgml
index 7713ff7177..1e79c317f3 100644
--- a/doc/src/sgml/limits.sgml
+++ b/doc/src/sgml/limits.sgml
@@ -62,6 +62,12 @@
below
+
+ user columns per tuple
+ 1664
+ Limit of user columns per tuple
+
+
field size
1 GB