documentation: poky-ref-manual - updated the DESCRIPTION variable.

(From yocto-docs rev: 170ed775df6d22b9570806367cbc17e6050d1493)

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

diff --git a/documentation/poky-ref-manual/ref-variables.xml b/documentation/poky-ref-manual/ref-variables.xml
index 5784ba5914fc2a93ac1f6ba948aa17a673edce8a..ca3d87cfd2304577809115e4049ba205c470443a 100644 (file)
--- a/documentation/poky-ref-manual/ref-variables.xml
+++ b/documentation/poky-ref-manual/ref-variables.xml
@@ -444,7 +444,15 @@
 
         <glossentry id='var-DESCRIPTION'><glossterm>DESCRIPTION</glossterm>
             <glossdef>
-                <para>The package description used by package managers.</para>
+                <para>The package description used by package managers.
+                      By default, <filename>DESCRIPTION</filename> is
+                      defined by the 
+                      <link linkend='var-SUMMARY'><filename>SUMMARY</filename></link>
+                      variable:
+                      <literallayout class='monospaced'>
+     DESCRIPTION ?= "${SUMMARY}"
+                      </literallayout>
+                </para>
             </glossdef>
         </glossentry>