Index: apps/app_record.c
===================================================================
--- apps/app_record.c	(revision 54176)
+++ apps/app_record.c	(working copy)
@@ -65,7 +65,8 @@
 "     't' : use alternate '*' terminator key instead of default '#'\n"
 "\n"
 "If filename contains '%d', these characters will be replaced with a number\n"
-"incremented by one each time the file is recorded. \n\n"
+"incremented by one each time the file is recorded.  A channel variable\n"
+"named RECORDED_FILE will also be set, which contains the filename. \n\n"
 "Use 'show file formats' to see the available formats on your system\n\n"
 "User can press '#' to terminate the recording and continue to the next priority.\n\n"
 "If the user should hangup during a recording, all data will be lost and the\n"