Fixed changelog style.
@@ -65,7 +65,7 @@ Ruby apps with configured mutlithreading could crash on start under load.
<change type="bugfix">
<para>
-Mount points were not unmounted when using "mount" namespace isolation; the
+mount points were not unmounted when using "mount" namespace isolation; the
bug had appeared in 1.21.0.
</para>
</change>
