diff --git a/04/title.txt b/04/title.txt
new file mode 100644
index 0000000..3047d8c
--- /dev/null
+++ b/04/title.txt
@@ -0,0 +1 @@
+Capitulo 4
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 742864c..321ce71 100644
--- a/manifest.json
+++ b/manifest.json
@@ -77,6 +77,13 @@
 		"03-01",
 		"03-05",
 		"03-07",
+		"03-09",
+		"03-10",
+		"03-12",
+		"03-15",
+		"03-17",
+		"03-19",
+		"04-title",
 		"31-title",
 		"31-01",
 		"31-04",