diff --git a/tools/test/audio/std_utils/thdnf_test_input.m b/tools/test/audio/std_utils/thdnf_test_input.m
index d833f16b8..6ed1fb754 100644
--- a/tools/test/audio/std_utils/thdnf_test_input.m
+++ b/tools/test/audio/std_utils/thdnf_test_input.m
@@ -1,6 +1,6 @@
 function test = thdnf_test_input(test)
 
-%% t = dr_test_input(t)
+%% t = thdnf_test_test_input(t)
 %
 % Create tone data file for playback & record on real device or
 % for algorithm simulation.