diff --git a/13/15.txt b/13/15.txt
new file mode 100644
index 0000000..5c1307b
--- /dev/null
+++ b/13/15.txt
@@ -0,0 +1 @@
+Mutize muwakwiwilila ukuwomba ivizima nukwavwana, amuno inzuwi
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index ab76b0e..e4b5483 100644
--- a/manifest.json
+++ b/manifest.json
@@ -162,6 +162,7 @@
 		"13-03",
 		"13-05",
 		"13-07",
-		"13-09"
+		"13-09",
+		"13-12"
 	]
 }
\ No newline at end of file