diff --git a/20/title.txt b/20/title.txt
new file mode 100644
index 0000000..3a34c96
--- /dev/null
+++ b/20/title.txt
@@ -0,0 +1 @@
+Capítulo 20
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 5d96508..be8c5f7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -129,6 +129,7 @@
 		"19-43",
 		"19-45",
 		"19-47",
+		"20-title",
 		"20-01",
 		"20-03",
 		"20-05",
@@ -136,6 +137,10 @@
 		"20-09",
 		"20-11",
 		"20-13",
+		"20-15",
+		"20-17",
+		"20-19",
+		"20-21",
 		"20-23",
 		"20-25",
 		"20-27",