Solved some minor misspellings in the simulation main launch.

launch/spawn_ana.launch

@@ -9,12 +9,14 @@
 
   <group ns="$(arg name)">
 
-    <include file="$(find iri_ana_description)/launch/descritpion.launch">
+    <include file="$(find iri_ana_description)/launch/description.launch">
       <arg name="node_name" value="$(arg name)"/>
       <arg name="model" value="$(arg model)"/>
     </include>
 
-    <include file="$(find iri_pioneer3_description)/launch/wheel_static_trans.launc"/>
+    <include file="$(find iri_pioneer3_description)/launch/wheel_static_transf.launch">
+      <arg name="node_name" value="$(arg name)"/>
+    </include>
   
     <node name="spawn_urdf" pkg="gazebo_ros" type="spawn_model" args="-param robot_description -urdf -model $(arg name) -x $(arg x) -y $(arg y) -z 0 -R 0 -P 0 -Y $(arg yaw)" />