diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 4caa814d41c335f11f186162a81878e342d0db64..822f6a0894f79a31589e0de1198cea53c90fb9b7 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3663,6 +3663,7 @@ static const char readme_msg[] =
 #endif
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 	"  set_graph_function\t- Trace the nested calls of a function (function_graph)\n"
+	"  set_graph_notrace\t- Do not trace the nested calls of a function (function_graph)\n"
 	"  max_graph_depth\t- Trace a limited depth of nested calls (0 is unlimited)\n"
 #endif
 #ifdef CONFIG_TRACER_SNAPSHOT