Formatting README

Author: UnnamedMoose

README.md

@@ -29,18 +29,17 @@ and distributor of the OpenFOAM® software via www.openfoam.com, and owner of th
 OPENFOAM® and OpenCFD® trade marks.
 
 ---------
-
 ## Tutorial 0 - Hello world
 
-    Presents a basic OpenFOAM executable which prints a simple, yet important,
-    message.
+Presents a basic OpenFOAM executable which prints a simple, yet important,
+message.
 
-    To run:
-    ```
-        wmake
-        cd testCase
-        ./Allrun
-    ```
+To run:
+```
+    wmake
+    cd testCase
+    ./Allrun
+```
 
 ---------
 ## Tutorial 1 - Input and output