diff --git a/src/libopensc/cardctl.h b/src/libopensc/cardctl.h
index 6424193e..11ef964a 100644
--- a/src/libopensc/cardctl.h
+++ b/src/libopensc/cardctl.h
@@ -1,6 +1,24 @@
 /*
- * card_ctl command numbers
+ * cardctl.h: card_ctl command numbers
  *
+ * Copyright (C) 2003  Olaf Kirch <okir@lse.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
  * There is a range of generic card_ctls, and card-specific
  * ranges. I've used a 3-letter abbreviation of the card in
  * the prefix, but that's just a fad :)
diff --git a/src/libopensc/esteid.h b/src/libopensc/esteid.h
index 6d8c2c6d..a7a494ca 100644
--- a/src/libopensc/esteid.h
+++ b/src/libopensc/esteid.h
@@ -20,13 +20,14 @@ enum {
 	SC_ESTEID_PD_REMARK3,
 	SC_ESTEID_PD_REMARK4
 };
+
 enum {
 	SC_ESTEID_AUTH = 1,
 	SC_ESTEID_SIGN
 };
 
-/* i love constants  */
-#define SC_ESTEID_KEYREF_FILE_RECLEN 21
+#define SC_ESTEID_KEYREF_FILE_RECLEN	21
 
 int select_esteid_df(sc_card_t * card);
+
 #endif
diff --git a/src/libopensc/ui.h b/src/libopensc/ui.h
index 1e133997..e526b1ad 100644
--- a/src/libopensc/ui.h
+++ b/src/libopensc/ui.h
@@ -1,7 +1,21 @@
 /*
- * User interface layer.
+ * ui.h: User interface layer
  *
  * Copyright (C) 2003  Olaf Kirch <okir@lse.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #ifndef _SC_UI_H