diff --git a/vimrc b/vimrc
index 7ecc5a8..9828671 100644
--- a/vimrc
+++ b/vimrc
@@ -1,6 +1,13 @@
+" auto indent
 filetype plugin indent on
 
+" enable syntax highlighting
+syntax on
+
+" tabwidth
 set tabstop=4
 set shiftwidth=4
+
+" line numbers
 set number