Update README.md

doc/README.md

@@ -89,22 +89,21 @@ cd build
 make
 ```
 
-SUMMARY STEP BY STEP
+## SUMMARY STEP BY STEP
 
-****
-**** Packet to install
-****
+### Packet to install
 
+```
 sudo add-apt-repository ppa:bitcoin/bitcoin
 sudo apt-get update
 sudo apt-get install libdb4.8-dev libdb4.8++-dev build-essential libtool
 autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils
 git libboost-all-dev libminiupnpc-dev
+```
 
-****
-**** Optionally crate  swap file  for compile
-****
+### Optionally create a swap file  for compile
 
+```
 sudo fallocate -l 2G /swapfile
 sudo chmod 600 /swapfile
 sudo mkswap /swapfile
@@ -115,27 +114,26 @@ git clone https://github.com/centurioncoin/centurion.git
 
 cd centurion/src/
 make -f makefile.unix
+```
 
-****
-**** Build local LevelDB
-****
+### Build local LevelDB
 
+```
 cd src/leveldb
 cd leveldb/
 make libleveldb.a libmemenv.a
 cd ../..
+```
 
-****
-**** Build Centurion
-****
-**** from the centurion folder downloaded from github
+### Build Centurion
 
+From the centurion folder downloaded from github:
 
+```
 mkdir build
 cd build
 cmake .. -DBUILD_GUI=OFF -DBUILD_TESTS=OFF
 make
+```
 
-****
-**** Binaries are placed in same dir (build)
-****
+Binaries are placed in same dir (build)