updates to basics

D3.md

@@ -14,8 +14,7 @@ d3.select('main').selectAll('span'); //can chain to select ancestors
 
 ```javascript
 d3.select('div').style('color', 'orange'); //sets the style for an element
-d3.select('div').style({'color': 'blue', 'font-size': '40px'}); //can pass an object
+d3.select('div').style('color', 'orange').style('font-size': '20px'); //will return the selection for chaining
-d3.select('div').style('color', 'orange').style({'color': 'blue', 'font-size': '40px'}); //will return the selection for chaining
 ```
 
 ### .attr()
@@ -47,7 +46,7 @@ d3.selectAll('div').html('<span>hi</span>'); //change the inner html of an eleme
 ### .text()
 
 ```javascript
-d3.selectAll('div').html('hi'); //set the content of the selection to the exact text (no html)
+d3.selectAll('div').text('hi'); //set the content of the selection to the exact text (escapes html)
 ```
 
 ## AJAX