diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
index 2c5e14caf24..49e849b9594 100644
--- a/doc/src/sgml/ref/create_table.sgml
+++ b/doc/src/sgml/ref/create_table.sgml
@@ -1,5 +1,5 @@
@@ -295,9 +295,10 @@ and table_constraint is:
An optional name for a column or table constraint. If the
constraint is violated, the constraint name is present in error messages,
- so constraint names like "col must be positive" can be used to communicate
- helpful constraint information to client applications. If not specified,
- the system generates a name.
+ so constraint names like "col must be positive"> can be used
+ to communicate helpful constraint information to client applications.
+ (Double-quotes are required for constraint names that contain spaces.)
+ If not specified, the system generates a name.