diff --git a/doc/src/sgml/pgtrgm.sgml b/doc/src/sgml/pgtrgm.sgml
new file mode 100644
index e0d98f6..d362b03
*** a/doc/src/sgml/pgtrgm.sgml
--- b/doc/src/sgml/pgtrgm.sgml
*************** CREATE INDEX words_idx ON words USING GI
*** 430,435 ****
--- 430,438 ----
     Teodor Sigaev <email>teodor@sigaev.ru</email>, Moscow, Delta-Soft Ltd.,Russia
    </para>
    <para>
+    Alexander Korotkov <email>a.korotkov@postgrespro.ru</email>, Moscow, Postgres Professional, Russia
+   </para>
+   <para>
     Documentation: Christopher Kings-Lynne
    </para>
    <para>