11 years ago · de845e9838
--- a/free-programming-books-es.md
+++ b/free-programming-books-es.md
@@ -20,6 +20,7 @@
 
				 * [Git](#git)
			
 
				 * [Haskell](#haskell)
			
 
				 * [JavaScript](#javascript)
			
 
				+    * [D3](#d3js)
			
 
				     * [jQuery](#jquery)
			
 
				     * [node.js](#nodejs)
			
 
				 * [Java](#java)