docs: remove mention that attnotnull should be changed

Report by Andres Freund

diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index f4617b67e9507fe15f74e55dd9c7abca6aeb122b..f98e282741f71ce2968c537dccc773970695cfd4 100644 (file)
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -1227,8 +1227,7 @@
       bool
       
       
-       This represents a not-null constraint.  It is possible to
-       change this column to enable or disable the constraint.
+       This represents a not-null constraint.