diff --git a/perception/tracking_object_merger/config/decorative_tracker_merger.param.yaml b/perception/tracking_object_merger/config/decorative_tracker_merger.param.yaml
index a3403fb60ba80..4a108be657a27 100644
--- a/perception/tracking_object_merger/config/decorative_tracker_merger.param.yaml
+++ b/perception/tracking_object_merger/config/decorative_tracker_merger.param.yaml
@@ -21,6 +21,6 @@
       decay_rate: 0.1
       max_dt: 1.0
 
-    # loggin
+    # logging settings
     enable_logging: false
     log_file_path: "/tmp/decorative_tracker_merger.log"
diff --git a/perception/tracking_object_merger/src/utils/tracker_state.cpp b/perception/tracking_object_merger/src/utils/tracker_state.cpp
index 8ac48799ee7a4..f0dc657145a24 100644
--- a/perception/tracking_object_merger/src/utils/tracker_state.cpp
+++ b/perception/tracking_object_merger/src/utils/tracker_state.cpp
@@ -22,7 +22,7 @@ using autoware_auto_perception_msgs::msg::TrackedObjects;
 /**
  * @brief Construct a new Tracker State:: Tracker State object
  *
- * @param input_source : input source distinguisher
+ * @param input_source : input source distinguished
  * @param tracked_object : input source tracked object
  * @param last_update_time : last update time
  */
@@ -93,7 +93,7 @@ bool TrackerState::predict(const rclcpp::Time & current_time)
  *
  * @param dt : time to predict
  * @param func : update function (e.g. PredictPastOrFutureTrackedObject)
- * @return true: prediction successed
+ * @return true: prediction succeeded
  * @return false: prediction failed
  */
 bool TrackerState::predict(