Clarify that pg_trgm is used in example
Reported-by: Octopus ZHANG
Author: Daniel Gustafsson
@@ -1039,7 +1039,8 @@ SELECT count(*) FROM words WHERE word = 'caterpiler';
</programlisting>
Either way, the word is spelled wrong, so let's look for what we might
- have wanted. Again using <literal>file_fdw</literal>:
+ have wanted. Again using <literal>file_fdw</literal> and
+ <literal>pg_trgm</literal>:
<programlisting>
SELECT word FROM words ORDER BY word &lt;-&gt; 'caterpiler' LIMIT 10;
