diff --git a/12/title.txt b/12/title.txt
new file mode 100644
index 0000000..ed5cbe7
--- /dev/null
+++ b/12/title.txt
@@ -0,0 +1 @@
+Capítulo 12
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index ae2c733..f0e68be 100644
--- a/manifest.json
+++ b/manifest.json
@@ -68,6 +68,7 @@
 		"10-22",
 		"10-24",
 		"10-25",
+		"12-title",
 		"13-01",
 		"13-04",
 		"13-06",