Update help documentation

diff --git a/imp/locale/en_US/help.xml b/imp/locale/en_US/help.xml
index 2a4cb73..df43d4b 100644 (file)
--- a/imp/locale/en_US/help.xml
+++ b/imp/locale/en_US/help.xml
@@ -762,9 +762,9 @@
 </entry>
 
 <entry id="prefs-disposition_send_mdn">
-    <title>Preferences: Send MDN</title>
+    <title>Preferences: Send Read Receipt</title>
     <para>
-    &quot;Send a MDN&quot; sends a Message Disposition Notification (also known as a read receipt) when you view a message in which the user has requested that they receive notification that you have read the message. In most cases, this will happen automatically without prompting you. In certain isolated cases, you may have to manually decide to send the notification by clicking on a link.
+    &quot;Send a MDN&quot; sends a read receipt (also known as a Message Disposition Notification) when you view a message in which the user has requested that they receive notification that you have read the message. By default, you will be prompted to send the notification. Other options include never sending these receipts or sending these receipts automatically without prompt if possible.
     </para>
 </entry>