diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml
index fd568d6b23889e3dba975acff70440d812a2308f..6dd2e4d12a9b2e58f26ac74849e9244b3e86ce50 100644
--- a/doc/src/sgml/mvcc.sgml
+++ b/doc/src/sgml/mvcc.sgml
@@ -1378,7 +1378,7 @@ SELECT pg_advisory_lock(q.id) FROM
       This level of integrity protection using Serializable transactions
       does not yet extend to hot standby mode (<xref linkend="hot-standby">).
       Because of that, those using hot standby may want to use Repeatable
-      Read and explicit locking.on the master.
+      Read and explicit locking on the master.
      </para>
     </warning>
    </sect2>