diff --git a/README.md b/README.md
index 389a955..e18f659 100644
--- a/README.md
+++ b/README.md
@@ -7,14 +7,14 @@ Double Exchange Hamiltonian: Complete Version
 
 (under GNU GENERAL PUBLIC LICENSE v2)
 
-1. Dependencies
+_Dependencies_
 ---------------
 
   1. [PETSc](https://www.mcs.anl.gov/petsc/documentation/installation.html) and [SLEPc](http://slepc.upv.es/documentation/current/docs/instal.htm)
 
   2. [IRPF90](https://github.com/scemama/irpf90)
 
-2. Compiling
+_Compiling_
 ------------
 
   1. Export environment variables for PETSc and SLEPc
@@ -26,40 +26,41 @@ Double Exchange Hamiltonian: Complete Version
 	# The "arch-linux2-c-debug" directory can have different names depending on PETSC and SLEPC installation procedure.
 	```
 
+
   2. Make the executable
 
-	```shell
-	make ex1
-	```
+```shell
+make ex1
+```
 
-3. Using DEHam
+_Using DEHam_
 ---------------
 
   1. The DEHam program requires an input file which 
    has the topology of the Hamiltonian and the various parameters
    as explained below in a sample inputfile:
 
-	```python
-	140					# The total number of determinants
-	7					# The largest number of non-zero elements per row
-	2					# The number of processors used in parallel
-	1					# The number of holes
-	0					# The isz (ms-1/2) value
-	1,2,3,1,2,3,4,5,6,7	# The topology of the system is specified here
-	2,3,4,8,7,6,5,6,7,8	# first and second line contain the two sites linked
-	1,1,1,2,2,2,2,3,3,3	# third line contains the type of link (1 for t, J 2 for K and 3 for none)
-	.1430,-0.20,0.0000	# The three types of links this line gives J, K
-	.1430,-0.20,0.0000	# 
-	-1.00,0.0,0.00		# This line gives t
-	```
+```python
+140					# The total number of determinants
+7					# The largest number of non-zero elements per row
+2					# The number of processors used in parallel
+1					# The number of holes
+0					# The isz (ms-1/2) value
+1,2,3,1,2,3,4,5,6,7	# The topology of the system is specified here
+2,3,4,8,7,6,5,6,7,8	# first and second line contain the two sites linked
+1,1,1,2,2,2,2,3,3,3	# third line contains the type of link (1 for t, J 2 for K and 3 for none)
+.1430,-0.20,0.0000	# The three types of links this line gives J, K
+.1430,-0.20,0.0000	# 
+-1.00,0.0,0.00		# This line gives t
+```
 
   2. running DEHam
 
-	```shell
-	mpiexec -n [nprocs] ./ex1 inpfile 
-	```
+```shell
+mpiexec -n [nprocs] ./ex1 inpfile 
+```
 
-4. Publications using this code
+_Publications using this code_
 -------------------------------
 
   1. High-Spin Chains and Crowns from Double-Exchange Mechanism [doi:10.3390/cryst6040039](http://www.dx.doi.org/10.3390/cryst6040039)