diff --git a/codec/h264/h264dec/nalunit_test.go b/codec/h264/h264dec/nalunit_test.go
index 0099b8ba..d9925fdc 100644
--- a/codec/h264/h264dec/nalunit_test.go
+++ b/codec/h264/h264dec/nalunit_test.go
@@ -1,3 +1,10 @@
+/*
+DESCRIPTION
+  nalunit_test.go provides testing for NAL unit parsing utilities in nalunit.go.
+
+AUTHORS
+  Saxon Nelson-Milton <saxon@ausocean.org>, The Australian Ocean Laboratory (AusOcean)
+*/
 package h264dec
 
 import (