1 files changed, 16 insertions, 1 deletions
diff --git a/include/clock.h b/include/clock.h
index c12c41e..7446dd1 100644
--- a/include/clock.h
+++ b/include/clock.h
@@ -1,6 +1,21 @@
 /**
  * @file clock.h
  * Basic clock utilities
+ *
+ * Copyright (C) 2018 Clyne Sullivan
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef CLOCK_H_
@@ -9,7 +24,7 @@
 #include <stdint.h>
 
 /**
- * Sets HCLK (system clock) to 80MHz, the maximum.
+ * Initializes clocks, setting HCLK (system clock) to 80MHz, the maximum.
  */
 extern void clock_init(void);