diff --git a/stepmania/src/arch/Sound/RageSoundDriver_ALSA9_Software.cpp b/stepmania/src/arch/Sound/RageSoundDriver_ALSA9_Software.cpp
index 9dcd687fb4..cc6544d00b 100644
--- a/stepmania/src/arch/Sound/RageSoundDriver_ALSA9_Software.cpp
+++ b/stepmania/src/arch/Sound/RageSoundDriver_ALSA9_Software.cpp
@@ -20,7 +20,8 @@ int samplerate = 44100;
 const int samples_per_frame = channels;
 const int bytes_per_frame = sizeof(Sint16) * samples_per_frame;
 
-/* Linux 2.6 has a fine-grained scheduler; use a small buffer size.  Otherwise, use a larger one. */
+/* Linux 2.6 has a fine-grained scheduler.  We can almost always use a smaller buffer
+ * size than in 2.4.  XXX: Some cards can handle smaller buffer sizes than others. */
 static const unsigned max_writeahead_linux_26 = 512;
 static const unsigned safe_writeahead = 1024*4;
 static unsigned max_writeahead;