diff --git a/ALE.md b/ALE.md
index bf677b1..a21fb09 100644
--- a/ALE.md
+++ b/ALE.md
@@ -1,5 +1,7 @@
 Install [ALE](https://github.com/w0rp/ale) following its README.
 
+ALE locates `.ccls-root` to set up the project root, see https://github.com/dense-analysis/ale/blob/master/autoload/ale/handlers/ccls.vim
+
 ALE automatically loads all available linters and LSP clients for the filetype so, if `ccls` is correctly installed, it should work out-of-the-box. Moreover, ALE will automatically detect the root folder of your project.
 
 To set init options for `ccls`, add to `~/.vimrc` or `~/.vim/vimrc` (example for `cpp` files, set other filetypes as needed):
@@ -27,4 +29,4 @@ nn <silent> <M-d> :ALEGoToDefinition<cr>
 nn <silent> <M-r> :ALEFindReferences<cr>
 nn <silent> <M-a> :ALESymbolSearch<cr>
 nn <silent> <M-h> :ALEHover<cr>
-```
\ No newline at end of file
+```