diff --git a/TODO b/TODO
index d6a6ac6e..1d6960e4 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,5 @@
-M mmap plug and blocking mode problem
+M fix adpcm plugin volume problem
 M plug sync and pos problems
 M Loopback implementation?
+M Implement PCM alias via ~/.asound.conf to permit snd_pcm_open(name) and this compose pcm_hw, pcm_plug, pcm_multi according to the definition
 L move OSS emulation to user space (LD_PRELOAD)