Fixed a comment

Signed-off-by: Shintaro Sakoda <shintaro.sakoda@tier4.jp>

Author: SakodaShintaro

map/map_height_fitter/CMakeLists.txt

@@ -11,7 +11,7 @@ ament_auto_add_library(map_height_fitter SHARED
 target_link_libraries(map_height_fitter ${PCL_LIBRARIES})
 
 # When adding `<depend>lanelet2_extension</depend>` to package.xml, many warnings are generated.
-# It is treated as errors in compile, so pedantic warnings are disabled for this package.
+# These are treated as errors in compile, so pedantic warnings are disabled for this package.
 target_compile_options(map_height_fitter PRIVATE -Wno-pedantic)
 
 ament_auto_add_executable(node