modified README.md

README.md

@@ -10,17 +10,12 @@ Make sure that SUNDIALS (v3.1.1 or higher), Cantera (2.3 or higher), and
 GSL are installed. Run make all, followed by make install in the source
 directory.
 
-After installing, the executable sensBVP can be executed as follows:
-
-sensBVP -a <absolute tolerance> 
-	-r <relative tolerance> 
-	-f <BVP residue tolerance>
-	-T <initial temperature in K>
-	-P <initial pressure in atm>
-	-m <mechanism file (cti or xml)>
-	-c <mole fraction composition>
-	-t <integration time>
-	-s <enable sensitivity analysis>
+After installing, the executable sensBVP can be executed as follows: 
+``` sensBVP -a <absolute tolerance> -r <relative tolerance> -f <BVP
+residue tolerance> -T <initial temperature in K> -P <initial pressure in
+atm> -m <mechanism file (cti or xml)> -c <mole fraction composition> -t
+<integration time> -s <enable sensitivity analysis>
+```
 
 Execute sensBVP -h for all available options.