ref-manual: Added two cross-references.

New variables DISTROOVERRIDES and MACHINEOVERRIDES resulted in
needing a couple links from the "Mirgration" chapter.

(From yocto-docs rev: cd1b7f7c430eddd5953dc1dac1defe968cfde0aa)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index 26a261139d..2603409766 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -310,9 +310,10 @@
                     you previously added to <filename>OVERRIDES</filename>,
                     you might now need to add it to 
                     <filename>FILESOVERRIDES</filename> unless you are already 
-                    adding it through the <filename>MACHINEOVERRIDES</filename> 
-                    or <filename>DISTROOVERRIDES</filename> variables, 
-                    as appropriate.
+                    adding it through the 
+                    <link linkend='var-MACHINEOVERRIDES'><filename>MACHINEOVERRIDES</filename></link> 
+                    or <link linkend='var-DISTROOVERRIDES'><filename>DISTROOVERRIDES</filename></link>
+                    variables, as appropriate.
                     </para></listitem>
             </itemizedlist>
         </para>