diff --git a/akka-docs/src/main/paradox/io-dns.md b/akka-docs/src/main/paradox/io-dns.md
index 89edbf47db..33e0a8ec21 100644
--- a/akka-docs/src/main/paradox/io-dns.md
+++ b/akka-docs/src/main/paradox/io-dns.md
@@ -3,8 +3,10 @@
 @@@ warning
 
 `async-dns` does not support:
+
 * [Local hosts file](https://github.com/akka/akka/issues/25846) e.g. `/etc/hosts` on Unix systems
 * [Search domains](https://github.com/akka/akka/issues/25825) e.g. in `/etc/resolve.conf` on Unix systems
+* The [nsswitch.conf](https://linux.die.net/man/5/nsswitch.conf) file (no plan to support)
 
 @@@