diff --git a/after/ftplugin/text.vim b/after/ftplugin/text.vim
new file mode 100644
index 0000000..4ad9c13
--- /dev/null
+++ b/after/ftplugin/text.vim
@@ -0,0 +1,22 @@
+function! Indent_level(lnum) 
+    return indent(a:lnum) / &shiftwidth
+endfunction
+
+function! Fold(lnum)
+	let l:c = Indent_level(a:lnum)
+	let l:n = Indent_level(a:lnum + 1)
+	let l:p = Indent_level(a:lnum - 1)
+
+	if l:n > l:c
+		return '>' . l:n
+	endif
+
+	if l:n < l:c
+		return '<' . l:c
+	endif
+
+	return l:c
+endfunction
+
+setlocal foldmethod=expr
+setlocal foldexpr=Fold(v:lnum)
diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
deleted file mode 100644
index d9c5f40..0000000
--- a/spell/en.utf-8.add
+++ /dev/null
@@ -1,9 +0,0 @@
-が
-(TCs)/?
-VAGrENT
-VCF
-todoist
-Covid
-title:/?
-title:
-Todos
diff --git a/spell/en.utf-8.add.spl b/spell/en.utf-8.add.spl
deleted file mode 100644
index d3065f3..0000000
Binary files a/spell/en.utf-8.add.spl and /dev/null differ