Update docs/tutorials/navigation.md

docs/tutorials/navigation.md

@@ -22,10 +22,10 @@ Then you can run some [navigation](http://wiki.ros.org/navigation) combination p
 
      * Loading an existing map:
 
-     ```roslaunch iri_ana_rosnav nav.launch```
+     ```roslaunch iri_ana_rosnav nav_map.launch map_name:=willow```
 
      * Or using the previously generated map:
 
      ```roslaunch iri_ana_rosnav nav.launch  map_name:=my_map```
 
-* In both cases you can [teleoperate](teleoperation.md) the robot around, or send navigation Goals in Rviz using the "2D NaV goal" tool (shortcut key 'g').
+* In both cases you can [teleoperate](teleoperation.md) the robot around, or send navigation Goals in Rviz using the "2D NaV goal" tool (shortcut key 'g').
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