diff --git a/.vimrc b/.vimrc
index 9dafddf..4456340 100644
--- a/.vimrc
+++ b/.vimrc
@@ -46,6 +46,7 @@ let g:airline#extensions#tabline#buffer_nr_show = 1
 
 "show line numbers in nerdtree
 let NERDTreeShowLineNumbers=1
+"show hidden files in nerdtree
 let NERDTreeShowHidden=1
 
 "-- themes: ---