diff --git a/src/effects/Biquad.cpp b/src/effects/Biquad.cpp
index 20c54e8f0..16a4c6005 100644
--- a/src/effects/Biquad.cpp
+++ b/src/effects/Biquad.cpp
@@ -2,7 +2,7 @@
 
 Audacity: A Digital Audio Editor
 
-EffectScienFilter.h
+Biquad.cpp
 
 Norm C
 Max Maisel
diff --git a/src/effects/Biquad.h b/src/effects/Biquad.h
index dcb667e2b..9a77d0e92 100644
--- a/src/effects/Biquad.h
+++ b/src/effects/Biquad.h
@@ -2,7 +2,7 @@
 
 Audacity: A Digital Audio Editor
 
-EffectScienFilter.h
+Biquad.h
 
 Norm C
 Max Maisel