diff --git a/release-packaging/HelpSource/Classes/FluidBufMFCC.schelp b/release-packaging/HelpSource/Classes/FluidBufMFCC.schelp
index 9bc9764..2dda1fb 100644
--- a/release-packaging/HelpSource/Classes/FluidBufMFCC.schelp
+++ b/release-packaging/HelpSource/Classes/FluidBufMFCC.schelp
@@ -98,8 +98,8 @@ CODE::
 
 // load two very different files
 (
-b = Buffer.read(s,File.realpath(FluidBufSpectralShape.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-SA-UprightPianoPedalWide.wav");
-c = Buffer.read(s,File.realpath(FluidBufSpectralShape.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-AaS-AcousticStrums-M.wav");
+b = Buffer.read(s,File.realpath(FluidBufMFCC.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-SA-UprightPianoPedalWide.wav");
+c = Buffer.read(s,File.realpath(FluidBufMFCC.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-AaS-AcousticStrums-M.wav");
 )
 
 // composite one on left one on right as test signals
diff --git a/release-packaging/HelpSource/Classes/FluidBufMelBands.schelp b/release-packaging/HelpSource/Classes/FluidBufMelBands.schelp
index c19767c..199cee6 100644
--- a/release-packaging/HelpSource/Classes/FluidBufMelBands.schelp
+++ b/release-packaging/HelpSource/Classes/FluidBufMelBands.schelp
@@ -102,8 +102,8 @@ CODE::
 
 // load two very different files
 (
-b = Buffer.read(s,File.realpath(FluidBufSpectralShape.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-SA-UprightPianoPedalWide.wav");
-c = Buffer.read(s,File.realpath(FluidBufSpectralShape.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-AaS-AcousticStrums-M.wav");
+b = Buffer.read(s,File.realpath(FluidBufMelBands.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-SA-UprightPianoPedalWide.wav");
+c = Buffer.read(s,File.realpath(FluidBufMelBands.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Tremblay-AaS-AcousticStrums-M.wav");
 )
 
 // composite one on left one on right as test signals