facebook/react — pull request #2209 by glenjamin (2014-09-18 21:48:58+00:00)
Title: [docs] Clarify wording on sub-tree reconciliation

The previous wording could be interpreted to mean sub-trees moving from within one sibling to within another, rather than the shuffling of siblings on a single level as intended.

This was raised on the back of a query in IRC.