Fixing notes.

foundations-high-performance-react.org

@@ -362,10 +362,10 @@ the pseudocode until we have our own fully functional ~render~ method
 using the same general algorithm React uses. In our first pass we will
 focus on the initial render and ignore reconciliation.
 
-#+BEGIN_NOTE
+#+begin_note
 Reconciliation is basically React's "diffing" algorithm. We will be
 exploring it after we work out the initial render.
-#+END_NOTE
+#+end_note
 
 #+BEGIN_SRC javascript
 function render(element, container) {
@@ -445,11 +445,11 @@ and based on two major components:
 
 In this section we will focus on the first part: differing types.
 
-#+BEGIN_NOTE
+#+begin_note
 In this book we won't be covering keys in depth but you will see why
 it's very important to follow the guidance from React's documentation
 that keys be: stable, predictable, and unique.
-#+END_NOTE
+#+end_note
 
 The approach we will take here is to integrate the heuristics that
 React uses into our ~render~ method. Our implementation will be very