diff --git a/doc/src/sgml/history.sgml b/doc/src/sgml/history.sgml
index 8bfa1db670d..628f13ce123 100644
--- a/doc/src/sgml/history.sgml
+++ b/doc/src/sgml/history.sgml
@@ -171,7 +171,7 @@
       A short tutorial introducing regular <acronym>SQL</acronym>
       features as well as those of
       <productname>Postgres95</productname> was distributed with the
-      source code
+      source code.
      </para>
     </listitem>