diff --git a/vim/spell/en.utf-8.add b/vim/spell/en.utf-8.add
new file mode 100644
index 0000000..23eebb1
--- /dev/null
+++ b/vim/spell/en.utf-8.add
@@ -0,0 +1 @@
+Gah
diff --git a/vim/spell/en.utf-8.add.spl b/vim/spell/en.utf-8.add.spl
new file mode 100644
index 0000000..08cc195
Binary files /dev/null and b/vim/spell/en.utf-8.add.spl differ
diff --git a/vimrc b/vimrc
index eb0205b..c30df06 100644
--- a/vimrc
+++ b/vimrc
@@ -98,6 +98,8 @@ set directory=~/.vim-tmp,~/.tmp,~/tmp,/var/tmp,/tmp
 set backspace=indent,eol,start
 " display incomplete commands
 set showcmd
+" Spell checking autocomplete
+set complete+=kspell
 " Enable highlighting for syntax
 syntax on
 " Enable file type detection.
@@ -198,6 +200,9 @@ augroup vimrcEx
 
   " Indent p tags
   autocmd FileType html,eruby if g:html_indent_tags !~ '\\|p\>' | let g:html_indent_tags .= '\|p\|li\|dt\|dd' | endif
+
+  " Spell check
+  autocmd BufRead,BufNewFile *.md setlocal spell
 augroup END
 
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
@@ -260,6 +265,9 @@ map <leader>gr :topleft 100 :split config/routes.rb<cr>
 map <leader>p :set paste! paste?<cr>
 map <leader>o :set number! number?<cr>
 
+" Spell checking
+map <leader>d :set spell! spell?<cr>
+
 " Clear the search buffer (highlighting) when hitting return
 function! MapCR()
   nnoremap <cr> :nohlsearch<cr>