diff --git a/codec/h264/h264dec/helpers.go b/codec/h264/h264dec/helpers.go
index 9078b7e7..8f60262c 100644
--- a/codec/h264/h264dec/helpers.go
+++ b/codec/h264/h264dec/helpers.go
@@ -1,6 +1,6 @@
 /*
 DESCRIPTION
-	helpers.go provides general helper utilities.
+  helpers.go provides general helper utilities.
 
 AUTHORS
   Saxon Nelson-Milton <saxon@ausocean.org>, The Australian Ocean Laboratory (AusOcean)
diff --git a/device/device.go b/device/device.go
index ec56e394..72c2a912 100644
--- a/device/device.go
+++ b/device/device.go
@@ -24,8 +24,8 @@ LICENSE
   in gpl.txt.  If not, see http://www.gnu.org/licenses.
 */
 
-// Package device provides an interface and implementations for input devices
-// that can be started and stopped from which media data can be obtained.
+// Package device describes a configurable audio or video device from which
+// media data can be obtained. AVDevice is an io.Reader.
 package device
 
 import (