diff --git a/31/18.txt b/31/18.txt
index 4ff4dcd..acd8a82 100644
--- a/31/18.txt
+++ b/31/18.txt
@@ -1 +1 @@
-\v 18         \v 19                                              \v 20                              "
\ No newline at end of file
+\v 18         \v 19                                                   \v 20                              "
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index d8532df..88b009e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -543,6 +543,7 @@
 		"31-11",
 		"31-13",
 		"31-16",
+		"31-18",
 		"31-21",
 		"31-25",
 		"31-28",