diff --git a/audio-v2.md b/audio-v2.md
index 7a831dd..dd40fe6 100644
--- a/audio-v2.md
+++ b/audio-v2.md
@@ -64,7 +64,7 @@ with `0x00` the release would occur just after the decay ends.
 Since each component has its own port, it's also much easier to adjust
 one without having to fiddle with bit masks, shifting, etc.
 
-## Appending A: proposed specification:
+## Appendix A: proposed specification:
     
    
     ADDR  SIZE     NAME      DESCRIPTION