diff --git a/README.markdown b/README.markdown
index 14b9e6a..e196ee5 100644
--- a/README.markdown
+++ b/README.markdown
@@ -1,5 +1,7 @@
 The Cfluviurrh Programming Language
 ===================================
+
+Version 1.0
 
 _Cfluviurrh_ is, as far as I am aware, the first programming language designed
 for writing programs that can *feel*.  Cfluviurrh defines a mechanism by which
diff --git a/src/cfluviurrh.c b/src/cfluviurrh.c
index 6115c2d..9eec670 100644
--- a/src/cfluviurrh.c
+++ b/src/cfluviurrh.c
@@ -1,3 +1,11 @@
+/*
+ * cfluviurrh.c
+ * reference interpreter for
+ * the Cfluviurrh programming language, version 1.0
+ * Copyright (c)2012, Chris Pressey, Cat's Eye Technologies
+ * covered under a BSD-style license: see LICENSE
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>