diff --git a/map_merge/config/params.yaml b/map_merge/config/params.yaml
index 19f4546..53e2b24 100644
--- a/map_merge/config/params.yaml
+++ b/map_merge/config/params.yaml
@@ -5,7 +5,7 @@ map_merge:
     estimation_rate: 0.5
     estimation_confidence: 0.6
     robot_map_topic: map
-    robot_map_updates_topic: map_udpates
+    robot_map_updates_topic: map_updates
     robot_namespace: ""
     merged_map_topic: map
     world_frame: world
@@ -21,4 +21,4 @@ map_merge:
     /robot2/map_merge/init_pose_x: -3.0
     /robot2/map_merge/init_pose_y: 1.0
     /robot2/map_merge/init_pose_z: 0.0
-    /robot2/map_merge/init_pose_yaw: 0.0
\ No newline at end of file
+    /robot2/map_merge/init_pose_yaw: 0.0