diff --git a/src/mod/applications/mod_dptools/mod_dptools.c b/src/mod/applications/mod_dptools/mod_dptools.c
index 4fd6a676ea..eaff5b9364 100755
--- a/src/mod/applications/mod_dptools/mod_dptools.c
+++ b/src/mod/applications/mod_dptools/mod_dptools.c
@@ -269,7 +269,7 @@ SWITCH_STANDARD_APP(bind_digit_action_function)
 }
 
 
-#define DETECT_SPEECH_SYNTAX "<mod_name> <gram_name> <gram_path> [<addr>] OR grammar <gram_name> [<path>] OR pause OR resume"
+#define DETECT_SPEECH_SYNTAX "<mod_name> <gram_name> <gram_path> [<addr>] OR grammar <gram_name> [<path>] OR nogrammar <gram_name> OR pause OR resume OR stop OR param <name> <value>"
 SWITCH_STANDARD_APP(detect_speech_function)
 {
 	char *argv[4];