diff --git a/21/17.txt b/21/17.txt
index 23a07d8..40b3092 100644
--- a/21/17.txt
+++ b/21/17.txt
@@ -1 +1 @@
-\v 17 uyhyhiu \v 18 uhuybubb \v 19 uubub
\ No newline at end of file
+\v 17 \v 18 \v 19
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 74c96be..f92e8bb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -86,6 +86,7 @@
 		"21-06",
 		"21-08",
 		"21-11",
+		"21-13",
 		"22-title",
 		"23-title"
 	]