diff --git a/aip_x1_1_launch/config/ground_segmentation/ground_segmentation.param.yaml b/aip_x1_1_launch/config/ground_segmentation/ground_segmentation.param.yaml
index 67fa0da5..069f4302 100644
--- a/aip_x1_1_launch/config/ground_segmentation/ground_segmentation.param.yaml
+++ b/aip_x1_1_launch/config/ground_segmentation/ground_segmentation.param.yaml
@@ -66,7 +66,7 @@
         min_trial: 200
         min_points: 400
         outlier_threshold: 0.1
-        plane_slope_threshold: 10.0      
+        plane_slope_threshold: 10.0
         voxel_size_x: 0.1
         voxel_size_y: 0.1
         voxel_size_z: 0.1