diff --git a/codec/codecutil/list.go b/codec/codecutil/list.go
index e78824e3..773f0c3e 100644
--- a/codec/codecutil/list.go
+++ b/codec/codecutil/list.go
@@ -25,7 +25,7 @@ LICENSE
 package codecutil
 
 // All available codecs for reference in any application.
-// when adding or removing a codec from this list, IsValid below must be updated.
+// When adding or removing a codec from this list, the IsValid function below must be updated.
 const (
 	PCM   = "pcm"
 	ADPCM = "adpcm"