update SocialNetworks preference

Add a note about it requiring the opacbaseurl to work

diff --git a/en/manual.xml b/en/manual.xml
index 4224778..38e6000 100644 (file)
--- a/en/manual.xml
+++ b/en/manual.xml
@@ -8894,6 +8894,12 @@ src="http://platform.twitter.com/widgets.js"></script></div></
                 of records in the OPAC.</para>
               </listitem>
             </itemizedlist>
+
+            <important>
+              <para>In order for these share buttons to work when clicked you
+              must have filled in your <link
+              linkend="OPACBaseURL">OPACBaseURL</link> preference.</para>
+            </important>
           </section>
 
           <section id="suggestionspref">