diff --git a/PWA.md b/PWA.md
index c102d25..8c0a234 100644
--- a/PWA.md
+++ b/PWA.md
@@ -105,6 +105,8 @@ Also related is Parallel Snaps install to one server at encrypted VM at https://
 
 In newest requirements installing assetlinks.json is to PWA URL (like https://boards.example.com), when it before was to main domain (like https://example.com), so here just in case it's installed to both, as text in `/etc/caddy/Caddyfile`. Also see https://docs.pwabuilder.com/#/builder/android
 
+For figuring out Caddy 2 config, xet7 found related tips from Caddy forum https://caddy.community/t/well-known-file-location/16632/4
+
 ```
 # Redirecting http to https