diff --git a/COPYING b/COPYING
index 10828e06..3912109b 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,3 @@
-
 		    GNU GENERAL PUBLIC LICENSE
 		       Version 2, June 1991
 
diff --git a/bcache-super-show.c b/bcache-super-show.c
index a63eba85..fab5e810 100644
--- a/bcache-super-show.c
+++ b/bcache-super-show.c
@@ -1,3 +1,9 @@
+/*
+ * Author: Gabriel de Perthuis <g2p.code@gmail.com>
+ *
+ * GPLv2
+ */
+
 #define _FILE_OFFSET_BITS	64
 #define __USE_FILE_OFFSET64
 #define _XOPEN_SOURCE 500
diff --git a/bcache-test.c b/bcache-test.c
index 0f8ad376..cc164e0e 100644
--- a/bcache-test.c
+++ b/bcache-test.c
@@ -1,3 +1,9 @@
+/*
+ * Author: Kent Overstreet <kmo@daterainc.com>
+ *
+ * GPLv2
+ */
+
 #define _FILE_OFFSET_BITS	64
 #define _XOPEN_SOURCE 500
 #define _GNU_SOURCE
diff --git a/bcache.h b/bcache.h
index ac1633cd..1d78da3b 100644
--- a/bcache.h
+++ b/bcache.h
@@ -1,3 +1,9 @@
+/*
+ * Author: Kent Overstreet <kmo@daterainc.com>
+ *
+ * GPLv2
+ */
+
 #ifndef _BCACHE_H
 #define _BCACHE_H
 
diff --git a/make-bcache.c b/make-bcache.c
index 2a5124be..6ffe89e1 100644
--- a/make-bcache.c
+++ b/make-bcache.c
@@ -1,3 +1,9 @@
+/*
+ * Author: Kent Overstreet <kmo@daterainc.com>
+ *
+ * GPLv2
+ */
+
 #define _FILE_OFFSET_BITS	64
 #define __USE_FILE_OFFSET64
 #define _XOPEN_SOURCE 600
diff --git a/probe-bcache.c b/probe-bcache.c
index ec81ea71..caff7b65 100644
--- a/probe-bcache.c
+++ b/probe-bcache.c
@@ -1,3 +1,9 @@
+/*
+ * Author: Kent Overstreet <kmo@daterainc.com>
+ *
+ * GPLv2
+ */
+
 #define _FILE_OFFSET_BITS	64
 #define __USE_FILE_OFFSET64
 #define _XOPEN_SOURCE 500