diff --git a/core/net/mac/tsch/tsch-conf.h b/core/net/mac/tsch/tsch-conf.h
index 83fde5a71..ffd99dc98 100644
--- a/core/net/mac/tsch/tsch-conf.h
+++ b/core/net/mac/tsch/tsch-conf.h
@@ -122,7 +122,7 @@
 #define TSCH_DEFAULT_TS_TIMESLOT_LENGTH    10000
 
 #elif TSCH_CONF_DEFAULT_TIMESLOT_LENGTH == 15000
-/* Default timeslot timing for platfroms requiring 15ms slots */
+/* Default timeslot timing for platforms requiring 15ms slots */
 
 #define TSCH_DEFAULT_TS_CCA_OFFSET         1800
 #define TSCH_DEFAULT_TS_CCA                128
diff --git a/core/net/mac/tsch/tsch-rpl.c b/core/net/mac/tsch/tsch-rpl.c
index 960f757f6..4558c4366 100644
--- a/core/net/mac/tsch/tsch-rpl.c
+++ b/core/net/mac/tsch/tsch-rpl.c
@@ -73,7 +73,7 @@ tsch_rpl_callback_leaving_network(void)
 }
 /*---------------------------------------------------------------------------*/
 /* Set TSCH EB period based on current RPL DIO period.
- * To use, set #define RPL_CALLBACK_PARENT_SWITCH tsch_rpl_callback_new_dio_interval */
+ * To use, set #define RPL_CALLBACK_NEW_DIO_INTERVAL tsch_rpl_callback_new_dio_interval */
 void
 tsch_rpl_callback_new_dio_interval(uint8_t dio_interval)
 {