diff --git a/codec/h265/lex_test.go b/codec/h265/lex_test.go
index f2e239e2..d78eddb4 100644
--- a/codec/h265/lex_test.go
+++ b/codec/h265/lex_test.go
@@ -1,9 +1,9 @@
 /*
 NAME
-  lex.go
+  lex_test.go
 
 DESCRIPTION
-  lex.go provides a lexer for taking h265 rtp format and lexing into access units.
+  lex_test.go provides tests to check validity of the Lexer found in lex.go.
 
 AUTHORS
   Saxon A. Nelson-Milton <saxon@ausocean.org>