diff --git a/README.md b/README.md
index c20832f..1adf0de 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ Ex:
 | `g:vim_vue_plugin_use_sass`           | Enable scss syntax for `<style lang="scss">`(or sass fo lang="sass").                                  | 0 |
 | `g:vim_vue_plugin_has_init_indent`    | Initially indent one tab inside `style/script` tags.                                                   | 0 for `.vue`. 1 for `.wpy` |
 | `g:vim_vue_plugin_highlight_vue_attr` | Highlight vue attribute value as expression instead of string.                                         | 0 |
-| `g:vim_vue_plugin_use_foldexpr`       | Enable builtin foldexpr fold method.                                                                   | 0 |
+| `g:vim_vue_plugin_use_foldexpr`       | Enable `foldexpr` fold method.                                                                   | 0 |
 | `g:vim_vue_plugin_debug`              | Echo debug messages in `messages` list. Useful to debug if unexpected indents occur.                   | 0 |
 
 \*: Vim may be slow if the feature is enabled. Find a balance between syntax highlight and speed. By the way, custom syntax could be added in `~/.vim/syntax` or `$VIM/vimfiles/syntax`.
@@ -106,7 +106,7 @@ Currently emmet-vim works regarding your HTML/CSS/JavaScript emmet settings, but
 
 ## License
 
-This plugin is under [The Unlicense][8].
+This plugin is under [The Unlicense][8]. Other than this, `lib/indent/*` files are extracted from vim runtime.
 
 [1]: https://github.com/mxw/vim-jsx "mxw: vim-jsx"
 [2]: https://github.com/VundleVim/Vundle.vim