Update README.md

Author: romi2002

README.md

@@ -30,7 +30,7 @@ roslaunch vehicle_descriptions uuv_sim.launch
 ```
 
 
-# Escenario tasks
+# Scenario tasks
 
 - **Tasks2020** 
 <p align="center">
@@ -53,4 +53,4 @@ To run the node for shooting the torpedoes, in a terminal write the following co
 ## Contents:
 
  - ```uuv_sensor_plugins```: Contains gazebo plugins for various simulated sensors.
- - ```uuv_sensor_ros_plugins```: ROS wrappers for each of the above.
+ - ```uuv_sensor_ros_plugins```: ROS wrappers for each of the above.