Updated Compiling from source (markdown)

Compiling-from-source.md

@@ -2,7 +2,7 @@
 
 # Building on Linux
 
-## Building on linux prerequisites:
+#### Building on linux prerequisites:
 
 It is assumed users know how to install packages on their system and
 be able to compile standard source packages. This is basic Linux and
@@ -42,7 +42,7 @@ https://lxadm.com/Static_compilation_of_cpuminer
 Static builds should only considered in a homogeneous HW and SW environment.
 Local builds will always have the best performance and compatibility.
 
-## Download cpuminer-opt
+#### Download cpuminer-opt
 
 Download the source code for the latest release from the official repository.
 
@@ -57,7 +57,7 @@ Alternatively it can be cloned from git.
 
 `$ git clone https://github.com/JayDDee/cpuminer-opt.git`
 
-##  Build cpuminer-opt
+####  Build cpuminer-opt
 
 It is recomended to Build with default options, this will usuallly
 produce the best results.
@@ -75,7 +75,7 @@ or
 
 N is the number of threads for the compiler to use.
 
-## Start mining.
+#### Start mining.
 
 
 `$ ./cpuminer -a algo -o url -u username -p password`