Update README.md

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Ben Johnson 2014-01-21 16:18:30 -07:00
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@ -179,3 +179,9 @@ There are several different types of pages:
* Overflow pages - These are special pages used when a key's data is too large for a leaf page and needs to spill onto additional pages.
### Nodes
Within each page there are one or more elements called nodes.
In branch pages, these nodes store references to other child pages in the tree.
In leaf pages, these nodes store the actual key/value data.