doc: Fix typos

From: Alexander Law <exclusion@gmail.com>

diff --git a/doc/src/sgml/btree-gist.sgml b/doc/src/sgml/btree-gist.sgml
index 2275a997ba296add0091cfe745fc92c3dd9f106f..5b81af96ebdc9d1006647b5388823f0c7478c9a5 100644 (file)
--- a/doc/src/sgml/btree-gist.sgml
+++ b/doc/src/sgml/btree-gist.sgml
@@ -98,7 +98,7 @@ INSERT 0 1
   <title>Authors</title>
 
   <para>
-   Teodor Sigaev (<email>teodor@stack.net</email>) ,
+   Teodor Sigaev (<email>teodor@stack.net</email>),
    Oleg Bartunov (<email>oleg@sai.msu.su</email>), and
    Janko Richter (<email>jankorichter@yahoo.de</email>).  See
    <ulink url="http://www.sai.msu.su/~megera/postgres/gist/"></ulink>