Use numbered list for contents.

README.md

@@ -28,29 +28,31 @@ details of interest to me at this point.
 
 ## Contents
 
-* [2: Describing Physical Memory](2.md)
+1. Introduction - _skipped_.
 
-* [3: Page Table Management](3.md)
+2. [Describing Physical Memory](2.md)
 
-* [4: Process Address Space](4.md)
+3. [Page Table Management](3.md)
 
-* [5: Boot Memory Allocator](5.md)
+4. [Process Address Space](4.md)
 
-* [6: Physical Page Allocation](6.md)
+5. [Boot Memory Allocator](5.md)
 
-* [7: Non-contiguous Memory Allocation](7.md)
+6. [Physical Page Allocation](6.md)
 
-* [8: Slab Allocator](8.md)
+7. [Non-contiguous Memory Allocation](7.md)
 
-* [9: High Memory Management](9.md)
+8. [Slab Allocator](8.md)
 
-* [10: Page Frame Reclamation](10.md)
+9. [High Memory Management](9.md)
 
-* [11: Swap Management](11.md)
+10. [Page Frame Reclamation](10.md)
 
-* [12: Shared Memory Virtual Filesystem](12.md)
+11. [Swap Management](11.md)
 
-* [13: Out of Memory Management](13.md)
+12. [Shared Memory Virtual Filesystem](12.md)
+
+13. [Out of Memory Management](13.md)
 
 [amazon]:http://www.amazon.co.uk/Understanding-Virtual-Memory-Manager-Perens/dp/0131453483
 [mel]:http://www.csn.ul.ie/~mel/blog/