diff --git a/doc/src/sgml/ref/comment.sgml b/doc/src/sgml/ref/comment.sgml
index 69fe3e28738..c59ea744e73 100644
--- a/doc/src/sgml/ref/comment.sgml
+++ b/doc/src/sgml/ref/comment.sgml
@@ -1,5 +1,5 @@
@@ -103,6 +103,7 @@ COMMENT
easily retrieved with psql's
\dd command.
To remove a comment, use ''.
+ Comments are automatically dropped when the object is dropped.
@@ -111,12 +112,31 @@ COMMENT
Usage
- comment the table mytable:
+ Comment the table mytable:
COMMENT ON mytable IS 'This is my table.';
+
+
+ Some more examples:
+
+
+COMMENT ON DATABASE my_database IS 'Development Database';
+COMMENT ON INDEX my_index IS 'Enforces uniqueness on employee id';
+COMMENT ON RULE my_rule IS 'Logs UPDATES of employee records';
+COMMENT ON SEQUENCE my_sequence IS 'Used to generate primary keys';
+COMMENT ON TABLE my_table IS 'Employee Information';
+COMMENT ON TYPE my_type IS 'Complex Number support';
+COMMENT ON VIEW my_view IS 'View of departmental costs';
+COMMENT ON COLUMN my_table.my_field IS 'Employee ID number';
+COMMENT ON AGGREGATE my_aggregate float8 IS 'Computes sample variance';
+COMMENT ON FUNCTION my_function (datetime) IS 'Returns Roman Numeral';
+COMMENT ON OPERATOR ^ (text, text) IS 'Performs intersection of two text';
+COMMENT ON TRIGGER my_trigger ON my_table IS 'Used for R.I.';
+
+