Fix typo

diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index 56deb4ac5fddb7949495d50c60eb401042720c4f..5a6f65025b1575c26afcc9ce4144e9431f575b41 100644 (file)
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -2570,7 +2570,7 @@ SCRAM-SHA-256$<iteration count>:&l
       
        c = check constraint,
        f = foreign key constraint,
-       f = not-null constraint (domains only),
+       n = not-null constraint (domains only),
        p = primary key constraint,
        u = unique constraint,
        t = constraint trigger,