diff --git a/errors.go b/errors.go
index 8bbd7ca..316234f 100644
--- a/errors.go
+++ b/errors.go
@@ -22,7 +22,7 @@ import (
 
 const (
 	// Errors corresponding to kernel error numbers. These may be treated
-	// specially when returned by a FileSystem method.
+	// specially by fuseops.Op.Respond methods.
 	EINVAL    = bazilfuse.Errno(syscall.EINVAL)
 	EIO       = bazilfuse.EIO
 	ENOENT    = bazilfuse.ENOENT