Update Readme.md

Readme.md

@@ -20,10 +20,8 @@ This simulation is based on [OpenUAV](https://github.com/Open-UAV) project.
 <details>
  <summary>If after making `posix_sitl`, Gazebo doesn’t launch and gives you a error message regarding `geographiclib`</summary>
  <p>Do the following:
-In your terminal type:  sudo apt-get install ros-kinetic-mavros ros-kinetic-mavros-extras
-When that installation is ready type: 
-cd; wget https://raw.githubusercontent.com/mavlink/mavros/master/mavros/scripts/install_geographiclib_datasets.sh
-./install_geographiclib_datasets.sh 
-you might have to make the install_geographiclib_datasets.sh executable.
-In terminal(home): sudo ./install_geographiclib_datasets.sh</p>
+  * In your terminal type:  `sudo apt-get install ros-kinetic-mavros ros-kinetic-mavros-extras`
+  * When that installation is ready type: 
+  * `wget https://raw.githubusercontent.com/mavlink/mavros/master/mavros/scripts/install_geographiclib_datasets.sh`
+  * `./install_geographiclib_datasets.sh` (you might have to make the install_geographiclib_datasets.sh executable.)</p>
 </details>