From beda3ace8f67be934f6861c973e1121a19d67cbe Mon Sep 17 00:00:00 2001
From: Matt Huntington <matt.huntington@gmail.com>
Date: Wed, 24 Aug 2016 10:29:49 -0400
Subject: [PATCH] make selection before ghost selection

---
 D3.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/D3.md b/D3.md
index 07a3fcd..7c904f0 100644
--- a/D3.md
+++ b/D3.md
@@ -65,7 +65,7 @@ d3.text('path', function(error, data){});
 ## Data binding
 
 ```javascript
-d3.selectAll('circle')//make a "ghost call" to all circles, even if there are none already
+d3.select('svg').selectAll('circle')//make a "ghost call" to all circles, even if there are none already.  Make sure to select the svg, or appended circles will attach to html element
 	.data(dataArray) //joins each element in dataArray to an element in the selection
 	.enter() //returns the sub section of dataArray that has not been matched with DOM elements
 	.append('circle'); //creates a DOM element for each of the remaining dataArray elements