diff --git a/geometry/latlon.cpp b/geometry/latlon.cpp
index d8248f8d9f..70888d413a 100644
--- a/geometry/latlon.cpp
+++ b/geometry/latlon.cpp
@@ -10,7 +10,7 @@ double const LatLon::kMaxLat = 90.0;
 double const LatLon::kMinLon = -180.0;
 double const LatLon::kMaxLon = 180.0;
 
-// Note. LatLon(-180.0, -180.0) are an invalid coordinates which are used in statistics.
+// Note. LatLon(-180.0, -180.0) are invalid coordinates that are used in statistics.
 // So if you want to change the value you should change the code of processing the statistics.
 LatLon const LatLon::kInvalidValue = LatLon(-180.0, -180.0);