diff --git a/vim/after/ftplugin/markdown.vim b/vim/after/ftplugin/markdown.vim
new file mode 100644
index 0000000..bd0bd1e
--- /dev/null
+++ b/vim/after/ftplugin/markdown.vim
@@ -0,0 +1,7 @@
+setlocal tw=80
+setlocal cc=80
+setlocal fdm=marker
+setlocal spell
+
+" Comment out the current selection
+vmap <buffer> <leader>co "xdi<!--<Esc>"xpa--><Esc>