diff --git a/include/ucore/clock.h b/include/ucore/clock.h
index 1ec4c0d..fce2c82 100644
--- a/include/ucore/clock.h
+++ b/include/ucore/clock.h
@@ -93,6 +93,8 @@ void uc_settable_clock_init(struct UCoreSettableClock *uclock);
 
 /**
  * Set the new timeval this clock will return
+ *
+ * @param tv new timeval to set the clock to
  **/
 void uc_settable_clock_set_tv(struct UCoreSettableClock *uclock, 
                                 const struct timeval *tv);
@@ -101,6 +103,9 @@ void uc_settable_clock_set_tv(struct UCoreSettableClock *uclock,
  * Set the new time this clock will return
  * Convenience function that takes seconds/microseconds as arguments
  * instead of a struct timeval.
+ *
+ * @param secs seconds portion of the clock to set
+ * @param usecs microseconds portion of the clock to set.
  **/
 void uc_settable_clock_set(struct UCoreSettableClock *uclock, 
                             time_t secs, suseconds_t usecs);