Improve constraint_name wording.

diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
index 49e849b959483bd1e57e03eafef90c5ad68d63e8..5dfeca1953c3fa5ab793c1232a7191b114ceb342 100644 (file)
--- a/doc/src/sgml/ref/create_table.sgml
+++ b/doc/src/sgml/ref/create_table.sgml
@@ -1,5 +1,5 @@
 
 
@@ -295,10 +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
+      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.
+      (Double-quotes are needed to specify constraint names that contain spaces.)
+      If a constraint name is not specified, the system generates a name.