diff --git a/src/fw/services/normal/alarms/alarm_pin.c b/src/fw/services/normal/alarms/alarm_pin.c
index 6854fb92..3e90fb5f 100644
--- a/src/fw/services/normal/alarms/alarm_pin.c
+++ b/src/fw/services/normal/alarms/alarm_pin.c
@@ -56,7 +56,7 @@ void alarm_pin_add(time_t alarm_time, AlarmId id, AlarmType type, AlarmKind kind
   AttributeList edit_attr_list = {0};
   prv_set_edit_action_attributes(&edit_attr_list);
   action_group.actions[0] = (TimelineItemAction) {
-    .id = (uint8_t) id, // id is guarenteed to be valid here, and we only support 10 alarms
+    .id = (uint8_t) id, // id is guaranteed to be valid here, and we only support 10 alarms
     .type = TimelineItemActionTypeOpenWatchApp,
     .attr_list = edit_attr_list,
   };
diff --git a/src/fw/services/normal/timeline/calendar.h b/src/fw/services/normal/timeline/calendar.h
index 85e97230..a2d84644 100644
--- a/src/fw/services/normal/timeline/calendar.h
+++ b/src/fw/services/normal/timeline/calendar.h
@@ -22,7 +22,7 @@
 //! The states are:
 //! - "no calendar events ongoing"
 //! - "one or more calendar events ongoing"
-//! Not every calendar event start / stop produces an event, but every transition is guarenteed
+//! Not every calendar event start / stop produces an event, but every transition is guaranteed
 //! to put an event.