diff --git a/src/pkcs11_callable.c b/src/pkcs11_callable.c
index ce1695633..df04f99c0 100644
--- a/src/pkcs11_callable.c
+++ b/src/pkcs11_callable.c
@@ -1,3 +1,23 @@
+/* pkcs11_callable.c
+ *
+ * Copyright (C) 2023 wolfSSL Inc.
+ *
+ * This file is part of wolfBoot.
+ *
+ * wolfBoot is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfBoot 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
 #include "wolfpkcs11/pkcs11.h"
 #include "wolfboot/wcs_pkcs11.h"
 
diff --git a/src/wc_callable.c b/src/wc_callable.c
index 8289d82e6..43444d162 100644
--- a/src/wc_callable.c
+++ b/src/wc_callable.c
@@ -1,3 +1,23 @@
+/* wc_callable.c
+ *
+ * Copyright (C) 2023 wolfSSL Inc.
+ *
+ * This file is part of wolfBoot.
+ *
+ * wolfBoot is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfBoot 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
 #ifdef WOLFCRYPT_SECURE_MODE
 #include "wolfssl/wolfcrypt/settings.h"
 #include "wolfssl/ssl.h"