Update osi_sensorview.proto

Co-authored-by: Pierre R. Mai <pmai@pmsf.de>
Signed-off-by: Clemens Linnhoff <clemens.linnhoff@persival.de>

Author: ClemensLinnhoff

osi_sensorview.proto

@@ -301,7 +301,7 @@ message LidarSensorView
 
         // normal to surface angle.
         //
-        // The normal of the transmitted beam to the object, road marking etc
+        // The normal of the transmitted beam to the object, road marking, etc.
         // encounter. \note data is in Lidar coordinate system
         //
         // Unit: unit vector