Adding instructions in the README file

bash_array_jobs/README.md

@@ -3,17 +3,17 @@
 * prep_env:  
 An executable to create test environment to run the job scripts on.
 
-Usage: ./prep_env {seq,rand.diff}
+	Usage: ./prep_env {seq,rand.diff}
 
-seq: Create a test_dir with sequential file names.  
-rand: Create a test_dir with random file names.  
-diff: Create a test_dir with random sub-directory names, and a file 'test' in each directory.
+	seq: Create a test_dir with sequential file names.  
+	rand: Create a test_dir with random file names.  
+	diff: Create a test_dir with random sub-directory names, and a file 'test' in each directory.
 
 
 * clean_env:  
 An executable to remove all the files/directories from your current directory, except the ones originally present.
 
-Usage: ./clean_env
+	Usage: ./clean_env
 
 
 * bash_parallel_script: