dialog Use correct default name for toroute_name database column

modules/dialog/README

@@ -978,7 +978,7 @@ modparam("dialog", "sflags_column", "s_flags")
    The column name in the database to store the index of the route to be
    executed at timeout.
 
-   Default value is "toroute".
+   Default value is "toroute_name".
 
    Example 1.35. Set toroute_column parameter
 ...

modules/dialog/doc/dialog_admin.xml

@@ -941,7 +941,7 @@ modparam("dialog", "sflags_column", "s_flags")
 		</para>
 		<para>
 		<emphasis>
-			Default value is <quote>toroute</quote>.
+			Default value is <quote>toroute_name</quote>.
 		</emphasis>
 		</para>
 		<example>