Index: apps/app_dial.c
===================================================================
--- apps/app_dial.c	(revision 339084)
+++ apps/app_dial.c	(working copy)
@@ -152,12 +152,16 @@
 					<argument name="context" required="false" />
 					<argument name="exten" required="false" />
 					<argument name="priority" required="true" />
-					<para>When the caller hangs up, transfer the called party
+					<para>When the caller hangs up, transfer the <emphasis>called</emphasis> party
 					to the specified destination and continue execution at that location.</para>
 				</option>
 				<option name="F">
-					<para>Proceed with dialplan execution at the next priority in the current extension if the
-					source channel hangs up.</para>
+					<para><emphasis>Start</emphasis> dialplan execution using the current extension on the <emphasis>called</emphasis> 
+					channel if the source channel hangs up.</para>
+					<note>
+						<para>Any channel variables you want the called channel to inherit from the caller channel must be
+						prefixed with one or two underbars ('_').</para>
+					</note>
 				</option>
 				<option name="g">
 					<para>Proceed with dialplan execution at the next priority in the current extension if the