diff --git a/.gitignore b/.gitignore
index ec2481e..28b6261 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@ tags
 # Persistent undo
 [._]*.un~
 
+plugged/
diff --git a/LICENSE b/LICENSE
old mode 100644
new mode 100755
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/vimrc b/vimrc
index 24018e5..7e5a170 100755
--- a/vimrc
+++ b/vimrc
@@ -106,6 +106,12 @@ filetype plugin indent on
 set backspace=indent,eol,start
 colorscheme molokai	# Color scheme
 
+# Nerdtree
+nnoremap <leader>n :NERDTreeFocus<CR>
+nnoremap <C-n> :NERDTree<CR>
+nnoremap <C-t> :NERDTreeToggle<CR>
+nnoremap <C-f> :NERDTreeFind<CR>
+
 # Airline status bar config
 g:airline_powerline_fonts = 1
 g:airline_theme = 'bubblegum'