do dragging before zooming

D3.md

@@ -216,21 +216,6 @@ use `d3.event.stopPropagation();` when events conflict
 
 ## Behaviors
 
-### Zooming
-
-```javascript
-//generator for a behavior
-//scale from 1 - 10
-//.on function says, when there's an event of type 'zoom', call the 'zoomed' function.  Could be any event
-var zoom = d3.behavior.zoom().scaleExtent([1,10]).on('zoom', zoomed);
-var svg = d3.select('#viz-wrapper').append('svg').call(zoom);
-function zoomed(){
-	console.log(d3.event.translate);//get mouse position
-	console.log(d3.event.scale);//bounded by 1,10 as set up above
-	viz.attr('transform', 'translate(' + d3.event.translate + ')' + 'scale(' + d3.event.scale + ')');
-}
-```
-
 ### Dragging
 
 ```javascript
@@ -248,6 +233,21 @@ function dragStart(d){ //d is the data for the dragged object
 }
 ```
 
+### Zooming
+
+```javascript
+//generator for a behavior
+//scale from 1 - 10
+//.on function says, when there's an event of type 'zoom', call the 'zoomed' function.  Could be any event
+var zoom = d3.behavior.zoom().scaleExtent([1,10]).on('zoom', zoomed);
+var svg = d3.select('#viz-wrapper').append('svg').call(zoom);
+function zoomed(){
+	console.log(d3.event.translate);//get mouse position
+	console.log(d3.event.scale);//bounded by 1,10 as set up above
+	viz.attr('transform', 'translate(' + d3.event.translate + ')' + 'scale(' + d3.event.scale + ')');
+}
+```
+
 You can use the xScale.invert and yScale.invert to get data from d3.event.x and d3.event.y