doc: Small example improvement

Add a comment character before a line annotation, so that the query
can be used as presented.

Reported-by: Yaroslav Saburov <[email protected]>
Author: Euler Taveira <[email protected]>
Reviewed-by: Robert Treat <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/174393459040.678.17810152410419444783%40wrigleys.postgresql.org

diff --git a/doc/src/sgml/query.sgml b/doc/src/sgml/query.sgml
index 59962d6e8563352e713888146d30168cd2f7d83f..727a0cb185fb251b83efc3166f2e5cbbfe0b1cbe 100644 (file)
--- a/doc/src/sgml/query.sgml
+++ b/doc/src/sgml/query.sgml
@@ -671,7 +671,7 @@ SELECT max(temp_lo) FROM weather;
     we might try:
 
 <programlisting>
-SELECT city FROM weather WHERE temp_lo = max(temp_lo);     <lineannotation>WRONG</lineannotation>
+SELECT city FROM weather WHERE temp_lo = max(temp_lo);     <lineannotation>-- WRONG</lineannotation>
 </programlisting>
 
     but this will not work since the aggregate