diff --git a/.vimrc b/.vimrc
index 8d203fb..05cb1e8 100644
--- a/.vimrc
+++ b/.vimrc
@@ -173,3 +173,6 @@ autocmd BufRead,BufNewFile *.py syntax on
 autocmd BufRead,BufNewFile *.py set ai
 autocmd BufRead *.py set smartindent cinwords=if,elif,else,for,while,with,try,except,finally,def,class
 au FileType python setl autoindent tabstop=4 expandtab shiftwidth=4 softtabstop=4
+
+set colorcolumn=81
+noremap <Leader>nt :NERDTree<cr>