diff --git a/manifest.json b/manifest.json
index aced1b9..3d646c3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -198,7 +198,7 @@
 		"18-09",
 		"18-11",
 		"18-14",
-		"18-18",
+		"18-15",
 		"18-21",
 		"18-23",
 		"19-title",