add note about reading history deleting

diff --git a/en/manual.xml b/en/manual.xml
index 965c9dc..57939ab 100644 (file)
--- a/en/manual.xml
+++ b/en/manual.xml
@@ -38257,8 +38257,11 @@ location: [STAFF, ISO]</programlisting>Will block items with an itype code of
           </mediaobject>
         </screenshot>
 
-        <para>Clicking this button will not delete items that are currently
-        checked out, but will clear the patron's past reading history.</para>
+        <para>Clicking this button will not delete items that are currently checked out, but will
+          clear the patron's past reading history.<important>
+            <para>In order for the patron to be able to delete their reading history you must have
+              the <link linkend="AnonymousPatron">AnonymousPatron</link> preference set.</para>
+          </important></para>
       </section>
 
       <section id="opacmysuggestions">