Fix mixup in the changelog

Author: Hugo Osvaldo Barrera

CHANGELOG.rst

@@ -9,6 +9,13 @@ Package maintainers and users who have to manually update their installation
 may want to subscribe to `GitHub's tag feed
 <https://github.com/pimutils/vdirsyncer/tags.atom>`_.
 
+Version 0.19.0
+==============
+
+- Add "description" and "order" as metadata.  These fetch the CalDAV:
+  calendar-description, CardDAV:addressbook-description and apple-ns:calendar-order
+  properties.
+
 Version 0.18.0
 ==============
 
@@ -22,9 +29,6 @@ Note: Version 0.17 has some alpha releases but ultimately was never finalised.
 - Python 3.9 is now supported.
 - Our Debian/Ubuntu build scripts have been updated. New versions should be
   pushed to those repositories soon.
-- Add "description" and "order" as metadata.  These fetch the CalDAV:
-  calendar-description, CardDAV:addressbook-description and apple-ns:calendar-order
-  properties.
 
 Version 0.16.8
 ==============