diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 4e9f9fd..533db3d 100644
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -1,3 +1,4 @@
 set wrap
 set spell
 set conceallevel=2
+set foldmethod=manual
diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
index 7b9e5ed..bc1eb03 100644
--- a/spell/en.utf-8.add
+++ b/spell/en.utf-8.add
@@ -2,3 +2,20 @@ slipbox
 i've
 memphis
 we're
+subdivisible
+raena
+ræ
+sath
+todo
+worldsaving
+benzoate
+Humbertia
+madagascariensis
+Cuscuta
+Convolvulaceae
+humbertiol
+Ipomoea
+batatas
+Fantsinakoha
+transgenicity
+Convolvuleae
diff --git a/spell/en.utf-8.add.spl b/spell/en.utf-8.add.spl
index d796cce..07d8ea4 100644
Binary files a/spell/en.utf-8.add.spl and b/spell/en.utf-8.add.spl differ