Fixed spelling in README titles, fixed content in link names.

README.md

@@ -3,11 +3,11 @@
 ### Links
 
 - <a href="#overview">Overview</a>
-- <a href="#datatypes">Overview</a>
-- <a href="#creating-an-object">Overview</a>
-- <a href="#arrays">Overview</a>
-- <a href="#named-lists">Overview</a>
-- <a href="#example-bdf-program">Overview</a>
+- <a href="#data-types">Data Types</a>
+- <a href="#creating-an-object">Creating an object</a>
+- <a href="#arrays">Arrays</a>
+- <a href="#named-lists">Named lists</a>
+- <a href="#example-bdf-program">Example BDF program</a>
 
 ### Overview
 
@@ -18,7 +18,7 @@ be fast and work well on 32-bit systems, but have a maximum size of 2 GB.
 BDF allows human readable serialization to see what is going on for debugging
 purposes, but it currently can't parse the result to an object.
 
-### Datatypes
+### Data Types
 
 - Boolean
 - Integer
@@ -129,7 +129,7 @@ for(BdfObject o : array)
 
 ```
 
-### Named Lists
+### Named lists
 
 Named lists can be used to store data under strings,
 to be used like variables in a program. A named list