diff --git a/20/title.txt b/20/title.txt
new file mode 100644
index 0000000..6dd247b
--- /dev/null
+++ b/20/title.txt
@@ -0,0 +1 @@
+Chapita 20
\ No newline at end of file
diff --git a/21/title.txt b/21/title.txt
new file mode 100644
index 0000000..ade42bc
--- /dev/null
+++ b/21/title.txt
@@ -0,0 +1 @@
+Chapita 21
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index edf5b97..ccc3f19 100644
--- a/manifest.json
+++ b/manifest.json
@@ -382,6 +382,8 @@
 		"19-17",
 		"19-19",
 		"19-21",
-		"19-23"
+		"19-23",
+		"20-title",
+		"21-title"
 	]
 }
\ No newline at end of file