diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index d0ba190..f44e499 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -102,7 +102,7 @@
  *
  * The function calculates the monotonic clock from the realtime
  * clock and the wall_to_monotonic offset and stores the result
- * in normalized timespec format in the variable pointed to by ts.
+ * in normalized timespec format in the variable pointed to by @ts.
  */
 void ktime_get_ts(struct timespec *ts)
 {
@@ -583,8 +583,8 @@
  * @which_clock: which clock to query
  * @tp:		 pointer to timespec variable to store the resolution
  *
- * Store the resolution of the clock selected by which_clock in the
- * variable pointed to by tp.
+ * Store the resolution of the clock selected by @which_clock in the
+ * variable pointed to by @tp.
  */
 int hrtimer_get_res(const clockid_t which_clock, struct timespec *tp)
 {