Update README.md

1. Fixed `rel/files/sys.config` does not exist problem in linc-oe
2. Reformat content

Change-Id: I552c147b7c423a69d53330b5e9c8cc60d8fd8183
diff --git a/README.md b/README.md
index 6a8964b..ad22ef6 100644
--- a/README.md
+++ b/README.md
@@ -57,11 +57,11 @@
 
     1. Erlang R15B, R16B, R17 - if possible please use R17
 
-    $ sudo apt-get install erlang
+      $ sudo apt-get install erlang
 
     2. libpcap-dev package if eth interfaces will be used
 
-    $ sudo apt-get install libpcap-dev
+      $ sudo apt-get install libpcap-dev
 
     Building and Running:
 
@@ -71,6 +71,8 @@
 
     $ git checkout tags/oe-0.3
 
+    $ cp rel/files/sys.config.orig rel/files/sys.config
+
     $ make rel
 
 Configuration