%!s(int64=9) %!d(string=hai) anos · 590ae65d05
--- a/free-programming-books-es.md
+++ b/free-programming-books-es.md
@@ -37,7 +37,7 @@
 
				 * [Python](#python)
			
 
				   * [Django](#django)
			
 
				   * [Web2py](#web2py)
			
 
				-* [R](#R)
			
 
				+* [R](#r)
			
 
				 * [Ruby](#ruby)
			
 
				   * [Ruby on Rails](#ruby-on-rails)
			
 
				 * [Scala](#scala)