diff --git a/free-programming-books-es.md b/free-programming-books-es.md
index 54bcde1f311b2090afd1e054e96fb429b3fb7efc..f8772b66eae11ac203ef5ef2cedff6ec53886800 100644
--- a/free-programming-books-es.md
+++ b/free-programming-books-es.md
@@ -1,4 +1,4 @@
-o###Index
+###Index
 * [Metalistas](#metalistas)
 * [Agnósticos](#agnosticos)
     * [Algoritmos y Estructuras de Datos](#algoritmos)