update for 8.6.0-beta2 release

Author: jmckenna

en/development/announce/8-6.txt

@@ -39,7 +39,7 @@ Other Related Updates
 Migration Guide
 ---------------
 
-Head to the :ref:`Migration Guide <migration-8-4>` for mapfile examples of the major 8.4.0 changes.
+Head to the :ref:`Migration Guide <migration-8-4>` for mapfile examples of the major 8.6.0 changes.
 
 Source Code Download
 --------------------
@@ -71,8 +71,8 @@ with binaries for the new release shortly.
 Documentation
 -------------
 
-The entire 8.4.0 documentation is also available as a `PDF document <https://download.osgeo.org/mapserver/docs/MapServer.pdf>`__ |image| 
-(1143 pages, with clickable table of contents as well).
+The entire 8.6.0 documentation is also available as a `PDF document <https://download.osgeo.org/mapserver/docs/MapServer.pdf>`__ |image| 
+(1150 pages, with clickable table of contents as well).
 
 .. |image| image:: ../../../_static/pdf.png
    :height: 15