sitl-with-morse.rst:Updated the documentation related to Morse

dev/source/docs/sitl-with-morse.rst

@@ -3,6 +3,9 @@
 =====================
 Using SITL with Morse
 =====================
+.. warning::
+
+    Morse robotics simulator is no longer supported!
 
 ..  youtube:: Zk8MYmt03-Q
     :width: 100%
@@ -16,17 +19,22 @@ control vehicles created within Morse.
 
 .. note::
 
-    Morse has only been tested to on Linux/Ubuntu environments
+    Morse has only been tested on Linux/Ubuntu environments
 
 Installing Morse
 ================
 
-`Official instuctions can be found on openrobots.com <http://www.openrobots.org/morse/doc/stable/user/installation.html>`__ but for recent Ubuntu Linux installs all you need is
+`Official instructions can be found on openrobots.com <http://www.openrobots.org/morse/doc/stable/user/installation.html>`__. Morse uses the Blender Game Engine API to render the build scripts. If the user is installing Morse on Ubuntu 20.04 or later, install the software from the source(manual installation) as described on the Morse installation page(mentioned above). But for older Ubuntu  installs all you need is
 
 ::
 
    sudo apt install morse-simulator
 
+.. note::
+
+    Before running the morse simulations/scripts, please make sure that Blender (with version ranging from 2.65 to 2.73) is properly configured after a successful installation of Morse. 
+
+
 Builder Scripts
 ===============