diff --git a/src/docs/markdown/v2-upgrade.md b/src/docs/markdown/v2-upgrade.md
index f2729a1..306af0d 100644
--- a/src/docs/markdown/v2-upgrade.md
+++ b/src/docs/markdown/v2-upgrade.md
@@ -325,6 +325,8 @@ You may find the new [`route`](/docs/caddyfile/directives/route) and [`handle`](
 
 Because it accepts a matcher in v2, this means you can also change the site root depending on the request.
 
+Please note than any implicit `file_server` directives that v1 inferred are now [required](#primary-changes).
+
 
 ### status