diff --git a/map/map_projection_loader/README.md b/map/map_projection_loader/README.md
index 0b0c41821d036..94b142da3dcf9 100644
--- a/map/map_projection_loader/README.md
+++ b/map/map_projection_loader/README.md
@@ -25,7 +25,7 @@ sample-map-rosbag
 
 ```yaml
 # map_projector_info.yaml
-type: "local"
+projector_type: local
 ```
 
 ### Using MGRS