Update README.md

Author: Pythonista7

README.md

@@ -8,7 +8,8 @@
  2. Download xgraph from http://www.xgraph.org/linux/index.html for appropriate Ubuntu on your machine.
  3. Untar the downloaded file :
     `$sudo tar -C /bin/xgraph/ -xvf xgraph_4.38_linux64.tar.gz `
-   <br><br> NOTE:  This untared dir has a bin dir which contains the xgraph executable which we need to add to .bashrc 
+   <br><br> NOTE: <br>a. I have untarred this to my /bin/xgraph/ directory(of which the xgraph dir is once which Ive mkdir'd).You can choose to untar it to your desired location by replacing /bin/xgraph to your destination dir path.  
+   		<br>b. This untared dir has a bin dir which contains the xgraph executable which we need to add to .bashrc 
 4. Navigate to home using directory and open .bashrc file
 5. Create Alias for the command , add the below line into bashrc file<br>
 	`alias xgraph='path_to_the_untarred_dir/bin/xgraph' `