diff --git a/main/pbx.c b/main/pbx.c
index 2d8205575829a4f0afd0b2bec00222d0ced9c9d6..e40c274c9de1b28f6b81b43e123f54974ef48efe 100644
--- a/main/pbx.c
+++ b/main/pbx.c
@@ -442,13 +442,13 @@ static struct pbx_builtin {
 	{ "BackGround", pbx_builtin_background,
 	"Play an audio file while waiting for digits of an extension to go to.",
 	"  Background(filename1[&filename2...][,options[,langoverride][,context]]):\n"
-	"This application will play the given list of files while waiting for an\n"
-	"extension to be dialed by the calling channel. To continue waiting for digits\n"
-	"after this application has finished playing files, the WaitExten application\n"
-	"should be used. The 'langoverride' option explicitly specifies which language\n"
-	"to attempt to use for the requested sound files. If a 'context' is specified,\n"
-	"this is the dialplan context that this application will use when exiting to a\n"
-	"dialed extension."
+	"This application will play the given list of files (do not put extension)\n"
+	"while waiting for an extension to be dialed by the calling channel. To\n"
+	"continue waiting for digits after this application has finished playing\n"
+	"files, the WaitExten application should be used. The 'langoverride' option\n"
+	"explicitly specifies which language to attempt to use for the requested sound\n"
+	"files. If a 'context' is specified, this is the dialplan context that this\n"
+	"application will use when exiting to a dialed extension."
 	"  If one of the requested sound files does not exist, call processing will be\n"
 	"terminated.\n"
 	"  Options:\n"