diff --git a/README.md b/README.md
index 1f2cd8a..907b2cf 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,12 @@ This is wuniu's vim settings. This file describes wuniu's editing experience.
 1. packs under `pack/plugin/start/` and etc.
 1. plugins under `after/plugins/` and etc.
 
+## Generate Doc
+
+After installing / adding a new pack with `doc/` inside. Generate doc tags
+using `packloadall | silent! :helptag ALL`, which will regenerate all tags of docs.
+
+## Reloading `vimrc` File
+
+After editing vimrc file, one can execute it by `:so $MYVIMRC`. But this will
+only *execute* it but won't reload vim instance itself.
diff --git a/vimrc b/vimrc
index 3571132..1d2cd0e 100644
--- a/vimrc
+++ b/vimrc
@@ -8,10 +8,6 @@ elseif has('unix')
     let g:CONFIGPATH = $HOME . '/.vim'
 endif
 
-" ale
-" packadd! ale
-" ale
-
 filetype plugin indent on  " Load plugins according to detected filetype.
 syntax on                  " Enable syntax highlighting.